20171060343Numerical, Experimental and Analytical Studies on Fluid Flow through a Marsh Funnel22This paper presents the application of computational fluid dynamics technique in civil and underground industries to evaluate fluid behaviour in a Marsh funnel. The numerical approach, based on computational fluid dynamics, simulated an incompressible two-phase Newtonian flow by means of the Volume-of-Fluid method. A complementary analytical proposed which provided a quick, field-ready method to assess the fluid field in the Marsh funnel. A supplemental experimental effort evaluated the results obtained from both the analytical calculation and numerical simulation. Results showed that the application of computational fluid dynamics technique gives the desired results in studying fluid flows in civil and underground industries. Proposed analytical solution is also capable of accurately predicting the fluid flow and thus can complement the experimental and numerical approaches. Further, the proposed analytical approach can be an alternative method for faster evaluation of fluid, although it needs to be calibrated with either the numerical or the experimental studies.15011507S.SadrizadehLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 947 20, USALawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 947 20, USApayssasan@berkeley.eduA. N.GhaffarKTH Royal Institute of Technology, Soil and Rock Mechanics, Stockholm 100 44, SwedenKTH Royal Institute of Technology, Soil and Rock Mechanics, Stockholm 100 44, Swedenpaysaln21@kth.seA.HaliloviccKTH Royal Institute of Technology, Fluid and Climate Technology, Stockholm 100 44, SwedenKTH Royal Institute of Technology, Fluid and Climate Technology, Stockholm 100 44, Swedenpaysalm34@kth.seU.HokanssonSkanska AB, 112 74 Stockholm, SwedenSkanska AB, 112 74 Stockholm, Swedenpaysulfhan@ska.seMultiphase flow Marsh funnel CFD Analytical solution Experimental approach Fluid flow simulation Discharge coefficient Cement-based grout.[Balcázar, N., O. Lehmkuhl, L. Jofre, J. Rigola and A. Oliva (2016). A coupled volume-of-fluid/level-set method for simulation of two-phase flows on unstructured meshes. Comput Fluids. 124, 12-29.##
Balhoff, M. T., L. W. Lake, P. M. Bommer, R. E. Lewis, M. J. Weber and J. M. Calderin (2011). Rheological and yield stress measurements of non-Newtonian fluids using a Marsh Funnel. J Pet Sci Eng. 77(3-4), 393-402.##
Benaicha, M., O. Jalbaud, A. Hafidi Alaoui, Y. Burtschell (2015). Marsh cone coupled to a plexiglas horizontal channel: Rheological characterization of cement grout. Flow Meas Instrum. 45, 126-134.##
Eriksson, M., M. Friedrich and C. Vorschulze (2004). Variations in the rheology and penetrability of cement-based grouts - An experimental study. Cem Concr Res. 34(7), 1111-1119.##
Fann Instrument Marsh Funnel Viscometer, Plastic Model No. 201, Part No. 206884.##
Gafar, K., K. Soga, A. Bezuijen and M. P. M. Sanders (2009). Tol AF Van. Fracturing of sand in compensation grouting. Geotech Asp Undergr Constr Soft Gr.1981, 281-286.##
Gupta, R., D. F. Fletcher and B. S. Haynes (2009). On the CFD modelling of Taylor flow in microchannels. Chem Eng Sci.; 64(12):2941-2950.##
Guria, C., R. Kumar and P. Mishra (2013). Rheological analysis of drilling fluid using Marsh Funnel. J Pet Sci Eng. 105, 62-69.##
Gustafson, G., J. Claesson and Å. Fransson (2013). Steering parameters for rock grouting. J Appl Math. 1.##
Gustafson, G. and H. (2005). Stille Stop criteria for cement grouting. Felsbau. 23(3), 62-68.##
Hakansson, U. (1993). Rheology of fresh cement-based grouts. (PhD thesis).##
Hässler, L., U. Håkansson, H. Stille (1992). Computer-simulated flow of grouts in jointed rock. Tunn Undergr Sp Technol Inc Trenchless 7(4):441-446.##
Hässler, L., U. Håkansson and H. Stille (1992). Rheological properties of microfine cement grouts. Tunn Undergr Sp Technol Inc Trenchless 7(4), 453-458.##
Hirt, C. W. and B. D. Nichols (1981). Volume of fluid (VOF) method for the dynamics of free boundaries. J Comput Phys 39(1), 201-225.##
ISO (2003). 5167-2 “Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross Section Conduits Running Full—Part 2: Orifice Plates.”; 2003.##
ISO 10414-1:2008 Petroleum and Natural Gas Industries - Field of Drilling Fluids - Part 1: Water-Based Fluids. 2008.##
Le Roy, R. (2004). The Marsh Cone as a viscometer: theoretical analysis and practical limits. Mater Struct. 38 (275), 25-30.##
Lombardi, G. (1985).The role of cohesion in cement grouting of rock. In: 15th ICOLD Congress, Lausanne 235-261.##
Marsh, H. N. (1931). Properties and treatment of rotary mud. Trans AIME. 92(1), 234-251.##
Mitsoulis, E. (2007). Flows of viscoplastic materials: Models and computations. Rheol Rev. 135-178. ##
Mohammed, M. H., R. Pusch, S. Knutsson and G. Hellström (2014). Rheological Properties of Cement-Based Grouts Determined by Different Techniques. Sci Res Eng. 217-229.##
Muñoz Díaz, E., F. J. Solorio Ordaz, G. A. Ascanio (2012). numerical study of an orifice flowmeter. Flow Meas Instrum. 26:85-92.##
Nguyen, V. H., S. Rémond, J. L. Gallias, J. P. Bigas and P. Muller (2006). Flow of Herschel–Bulkley fluids through the Marsh cone. J Nonnewton Fluid Mech. 139(1-2), 128-134.##
Pitt, M. J. (2000). The Marsh Funnel and Drilling Fluid Viscosity: A New Equation for Field Use. SPE Drill Complet. 15(1), 5-8.##
Rafi, J. Y., H. Stille and M. Bagheri (2012). Applying Real Time Grouting Control Method in Sedimentary Rock. Grouting Deep Mix 1450-1459.##
Rahman, M., U. Håkansson and J. Wiklund (2015). In-line rheological measurements of cement grouts: Effects of water/cement ratio and hydration. Tunn Undergr Sp Technol. 45, 34-42.##
Reader Harris, M. J., W. C. Brunton, J. J. Gibson, D. Hodges and I. G. Nicholson (2001). Discharge coefficients of Venturi tubes with standard and non-standard convergent angles. Flow Meas Instrum. 12(2), 135-145.##
Roussel, N. and R. Le (2005). Roy The Marsh cone: A test or a rheological apparatus? Cem Concr Res. 35(5), 823-830.##
Schwarz, L. G. (1997). Roles of rheology and chemical filtration on injectability of microfine cement grouts (PhD thesis).##
Shah, M. S., J. B. Joshi, A. S. Kalsi, C. S. R. Prasad and D. S. Shukla (2012). Analysis of flow through an orifice meter: CFD simulation. Chem Eng Sci. 71, 300-309.##
Stille, H., G. Gustafson and L. Hassler (2012). Application of new theories and technology for grouting of dams and foundations on rock. Geotech Geol Eng. 30(3), 603-624.##
Stille, H. (2015). Rock Grouting - Theories and Applications, BeFo. Stockholm: BeFo.##
Yang, Z. Q., K. P. Hou and T. T. Guo (2011). Research on Time-Varying Behavior of Cement Grouts of Different Water-Cement Ratios. Appl Mech Mater. 71-78, 4398-4401.##
Yang, Z. Q., K. P. Hou and T. T. Guo (2011). Study on the Effects of Different Water-Cement Ratios on the Flow Pattern Properties of Cement Grouts. Appl Mech Mater. 71-78, 1264-1267.##
]Experimental Evaluation of the Critical Flutter Speed on Wings of Different Aspect Ratio22In this work, wind tunnel experiments were conducted to evaluate the critical flutter speed of wings for three pertinent flight parameters (i) the aspect ratio (AR), (ii) the angle of attack (AoA), and (iii) the aircraft propeller excitation. Six symmetrical wings (NACA0012 design), of fixed chord length of 80 mm and varied AR from 8.75 to 15, were used for this purpose. These wings were mounted horizontally in the wind tunnel as fixed-free condition. The airflow speed is increased slowly until the wing flutters. The results show that the critical flutter speed decreases when the AR increases. For higher AR, the effect of the AoA on the flutter speed is minimal. However, for low AR, the AoA is vital in delaying the flutter instability of the wing. This critical speed spans low to moderate Reynolds numbers based on the wing chord length (Rec =7×104-2×105) which corresponds to the speed range of High Altitude and Long Endurance (HALE) aircraft. In contrast, for a propeller excitation outside the resonance region of the wing, its effect of the on flutter characteristics is not noticeable.15091514J.BertrandDepartment of Mechanical Engineering, Université de Sherbrooke, Sherbrooke, QC, CanadaDepartment of Mechanical Engineering, Université de Sherbrooke, Sherbrooke, QC, Canadapaysjulien.bertrand@usherbrooke.caH.FellouahDepartment of Mechanical Engineering, Université de Sherbrooke, Sherbrooke, QC, CanadaDepartment of Mechanical Engineering, Université de Sherbrooke, Sherbrooke, QC, Canadapayshachimi.fellouah@yahoo.caK.AlsaifDepartment of Mechanical Engineering, King Saud University, King Abdul-Aziz City for Science and Technology, Saudi ArabiaDepartment of Mechanical Engineering, King Saud University, King Abdul-Aziz City for Science and Technology, Saudi Arabiapaysalsaif@ksu.edu.saAeroelasticity Flutter Wings Aspect ratio Angle of attack Wind tunnel measurements.[Alsaif, K., M. A. Foda and H. Fellouah (2015). Analytical and experimental aeroelastic wing flutter analysis and suppression. International Journal of Structural Stability and Dynamics 15(6), 1450084.##
Amoozgar, M. R., S. Irani and G. A. Vio (2013). Aeroelastic instability of a composite wing with a powered-engine. Journal of Fluids Structures 36, 70–82.##
Baxevanou, C. A., P. K. Chaviaropoulos, S. G. Voutsinas and N. S. Vlachos (2008). Evaluation study of a Navier–Stokes CFD aeroelastic model of wind turbine airfoils in classical flutter. Journal of Wind Engineering and Industrial Aerodynamics 96, 1425– 1443.##
Birch, D. and T. Lee (2005). Investigation of the near-field tip vortex behind an oscillating wing. Journal of Fluid Mechanics 544, 201-41.##
Che, Q. L., J. L. Han and H. W. Yun (2012). Flutter analysis of wings subjected to engine thrusts. Journal of Vibration Engineering 25(2), 110-116.##
Eloy, C., C. Souilliez and L. Schouveiler (2007). Flutter of a rectangular plate. Journal of Fluids Structures 23, 904-919.##
Fazelzadeh, S. A., A. Mazidi and H. Kalantari (2009). Bending–torsional of wing with an attached mass subjected to a follower force. Journal of Sound and Vibration 323, 148–162.##
Firouz-Abadi, R. D, A. R. Askarian and P. Zarifian (2013). Effect of thrust on the aeroelastic instability of a composite swept wing with two engines in subsonic compressible flow. Journal of Fluids and Structures 36, 18-31.##
Kang, W., J. Z. Zhang, P. F. Lei and M. Xu (2014). Computation of unsteady viscous flow around a locally flexible airfoil at low Reynolds number. Journal of Fluids and Structures 46, 42–58.##
Lim, J., S. Choi, S. J. Shin and D. H. Lee (2014). Wing Design Optimization of a Solar-HALE Aircraft. International Journal of Aeronautical & Space Sciences 15(3), 219–231.##
Mazidi, A. and S. A. Fazelzadeh (2010). Flutter of a swept aircraft wing with a powered engine. Journal of Aerospace Engineering 23(4), 243–250.##
Moosavi, M. R., A. R. Naddaf Oskouei and A. Khelil (April 2005). Flutter of subsonic wing. Thin-Walled Structures 43(4), 617–627.##
Peng, C. and H. Jinglong (2012). Prediction of flutter characteristics for a transport wing with wingtip devices. Aerospace Science and Technology 23, 461-468.##
Rojratsirikul, P., Z. Wang, and I. Gursul (2009). Unsteady fluid–structure interactions of membrane air foils at low Reynolds numbers. Experiments in fluids 46, 859–872.##
Romeo, G., G. Frulla and E. Cestino (2007). Design of a High-Altitude Long-Endurance Solar-Powered Unmanned Air Vehicle for Multi-Payload and operations. Proceedings of the Institution of Mechanical Engineers, Part G (Journal of Aerospace Engineering) 221(G2), 199-216. ##
Rudmin, D., A. Benaissa and D. Poirel (2013). Detection of Laminar Flow Separation and Transition on a NACA-0012 Airfoil Using Surface Hot-Films. Journal of Fluids Engineering 135(10), 101104.##
Soltani, M. R. and F. R. Marzabadi (2009). Effect of reduced frequency on the aerodynamic behavior of an airfoil oscillating in a plunging motion. Scientia Iranica 16(1), 40-52.##
Tang, D. M., and E. H. Dowell (2001). Experimental and Theoretical Study on Aeroelastic Response of High-Aspect-Ratio Wings. AIAA Journal 39(8), 1430–1441.##
Tang, D., and E. H. Dowell (2002). Limite cycle hysterisis response for a high aspect ratio wing model. Journal of Aircraft 39(5), 885-888.##
Theodorsen, T. (1935). General Theory of Aerodynamic Instability and the Mechanism of Flutter. NACA Report 496 NACA, Hampton, Virginia.##
Umut, S. (2008). Aeroelastic analysis of an unmanned aerial vehicle. Master thesis. School of natural and applied sciences. Middle East technical university, Ankara, Turkey.##
Watanabe, Y., K. Isogai, S. Suzuki and M. A. Sugihara (2002a). Theoretical study of paper flutter. Journal of Fluids Structures 16 (4), 543-560.##
Watanabe, Y., S. Suzuki, M. Sugihara and Y. Sueoka (2002b). An experimental study of paper flutter. Journal of Fluids Structures 16(4),##
]Oscillations of Water Levels in Vertical Semi-Immersed Tubes: Analytical Solutions and Experimental Verification22Experimental results for water level oscillations in vertical tubes, together with a theoretical solution for the flow in such tubes considering local and distributed energy losses, are presented and compared. The experimental data were obtained in small scale experiments, allowing adequately controlling the oscillations. The governing equation for the oscillations was obtained by applying the conservation laws of mass, momentum and energy for fluids. It is a second order nonlinear differential equation which was reduced to a first order differential Bernoulli equation. The obtained solution is composed by two different equations, one for the upwards motion and the other for the downwards motion, which together reproduce the oscillatory damped behavior of such flows. Numerical solutions of the differential equation were also checked. The experimental data and the theoretical and numerical results showed a good agreement between measured and calculated values of velocity and surface level for the first periods of oscillation. 15151525H. E.SchulzSchool of Engineering at São Carlos, University of São Paulo, São Carlos, SP, ZIP 13566-590, BrazilSchool of Engineering at São Carlos, University of São Paulo, São Carlos, SP, ZIP 13566-590, Brazilpaysheschulz@sc.usp.brD. Z.ZhuDept. of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, T6G 2W2, CanadaDept. of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, T6G 2W2, Canadapaysdzhu@ualberta.caWater level fluctuations Damped fluctuations Oscillation suppressing devices Applied nonlinear differential equations.[Benattalah, S., F. Aloui and M. Souhar (2011). Experimental Analysis on the Counter-Current Dumitrescu-Taylor Bubble Flow in a Smooth Vertical Conduct of Small Diameter, Journal of Applied Fluid Mechanics 4(4), 1-14.##
Churchill, S. W. (1977). Friction factor equations spans all fluid-flow regimes, Chem. Eng. 84(24), 91-92.##
El-Behery, S. M., A. A. El Haroun and M. R. Abuhegazy (2017). Prediction of Pressure Dropin Vertical Pneumatic Conveyors, Journal of Applied Fluid Mechanics, 10(2), 519-527.##
Lorenceau, E., D. Quéré, J. Y. Ollitrault and C. Clanet (2002). Gravitational oscillations of a liquid column in a pipe, Physics of Fluids 14 (6), 1985-1992.##
Lou, S., G. H. Zhong, Y. D. Zhu and S. G. Liu (2008). Investigation of Underground Traffic Facilities for Flood Control in Shanghai. Proc. of the 5th China-Japan Joint Seminarfor the Graduate Students in Civil Engg., Tongji University, Shanghai, China 136-141.##
Masoodi, R.; E. Languri and A. Ostadhossein (2013). Dynamics of liquid rise in a vertical capillary tube, J. of Colloid and Interfacial Science 389, 268-272.##
Politano, M., J. Odgaard and W. Klecan (2005). Numerical Simulation of Hydraulic Transients in Drainage Systems. Mecánica Computacio-nal, XXIV, 297-310.##
Quéré, D. and É. Raphaël (1999). Rebounds in a capillary tube, Langmuir 15(10), 3679–3682.##
Weidman, P. and I. Kliakhandler (2014). Gravitational oscillations of a capped liquid-air column, Physics of Fluids, 26(4).##
Weidman, P. D., B. Roberts and S. Eisen (2012). On the Instability of Spheres Settling through a Vertical Pipe Filled with HPG, Journal of Applied Fluid Mechanics 5(4), 113-121.##
Zhmud, B.V., K. Tiberg and J. Hallstensson (2000) Dynamics of Capillary Rise, J. of Colloid and Interface Science 228, 263– 269##
]New-Concept Gas Turbine Burner Simulation in Moderate Intense Low-Oxygen Combustion Regime22In a trapped-vortex combustor (TVC) flame stabilization is achieved through intense internal exhaust gases recirculation, which is promoted by the adoption of cavities. Thanks to its peculiar features, a trapped-vortex burner produces low pressure drop and emissions and it is characterized by extended blow-out limits. The strong mixing of fresh reactants with flue gases due to internal recirculation represents the basis for the establishment of a distributed MILD, i.e. "Moderate Intense Low-Oxygen Dilution Combustion" regime, which is characterized by reduced temperature peaks, volumetric distributed reactions, low NOx emissions and no thermo-acoustic instabilities. Aim of the work is to study the possibility to obtain a MILD regime in our available trapped-vortex device, taking the advantage of the combined effect of TVC strong internal exhaust gases recirculation and of oxy-combustion external exhaust recirculation, attaining the benefits of CO2 capture at the same time. To this end a series of computational fluid dynamics simulations were conducted on our TVC device, in order to understand the influence on combustion of the main operating parameters, such as the equivalence ratio, the level of dilution, the injection temperature, the velocity, etc.. A preheating temperature and a range of oxygen concentrations that at the same time complies with a distributed reactions regime and an efficient combustion were identified for the premixed and non-premixed operating modes.15271536A.Di NardoENEA, Italian National Agency for New Technologies Energy and Sustainable Economic Development, Rome, via Anguillarese 301, 00123, ItalyENEA, Italian National Agency for New Technologies Energy and Sustainable Economic Development, Rome, via Anguillarese 301, 00123, Italypaysdinardanton@gmail.comG.CalchettiENEA, Italian National Agency for New Technologies Energy and Sustainable Economic Development, Rome, via Anguillarese 301, 00123, ItalyENEA, Italian National Agency for New Technologies Energy and Sustainable Economic Development, Rome, via Anguillarese 301, 00123, Italypaysgiameone@gmail.comTrapped-vortex burner MILD combustion.[Agarwal, K. K. and R. V. Ravikrishna (2011). Experimental and numerical studies in a compact trapped vortex combustor: stability assessment and augmentation. Combust. Sci. and Tech. 183, 1308–1327.##
Cavaliere, A. and M. De Joannon (2004). MILD combustion”. Progress in Energy and Combustion Science. 30, 329-366.##
Coppalle, A. and P. Vervisch (1983). The total emissivities of high-temperature flames. Combust. Flame 49, 101-108.##
Cuoci, A., A. Frassoldati, T. Faravelli, E. Ranzi (2011). OpenSMOKE: Numerical modeling of reacting systems with detailed kinetic mechanisms. XXXIV Meeting of the Italian Section of the Combustion Institute.##
Dally, B. B., A. N. Karpetis, and R. S. Barlow (2002). Structure of turbulent non-premixed jet flames in a diluted hot coflow, Proceedings of the Combustion Institut. 29, 1147–1154.##
Ghenai, C., K. Zbeeb and I. Janajreh (2013). Combustion of alternative fuels in vortex trapped combustor. Energy Conversion and Management 65, 819–828.##
Hammond, G. P. and J. Spargo (2014), The prospects for coal-fired power plants with carbon capture and storage: A UK perspective. Energy Conversion and Management 86, 476–489.##
Hsu, K. Y., L. P. Goss and W. M. Roquemore (1998). Characteristics of a trapped vortex combustor. Journal of Propulsion and Power, 14, 57-65.##
Huang, M., Z. Zhang, W. Shao, Y. Xiong, Y. Liu, F. Lei, Y. Xiao (2014). Effect of air preheat temperature on the MILD combustion of syngas. Energy Conversion and Management 86, 356-364.##
Khalil, A. E. E., V. K. Arghode, A. K. Gupta, (2013). Novel mixing for ultra-high thermal intensity distributed combustion. Applied Energy 105, 327–334.##
Levy, Y. and V. Sherbaum (2003). Parametric study of the FLOXCOM combustor. TAE Report No. 920, Technion.##
Luckerath, R., W. Meier and M. Aigner (2008). FLOX® combustion at high pressure with different fuel compositions. Journal of Engineering for Gas Turbines and Power 130.##
Magnussen, B. F. (1981). On the structure of turbulence and a generalized eddy dissipation concept for chemical reaction in turbulent flow. Nineteeth AIAA Meeting, St. Louis.##
Ponti, G. et al. (2014). The role of medium size facilities in the HPC ecosystem: the case of the new CRESCO4 cluster integrated in the ENEAGRID infrastructure. Proceedings of the 2014 International Conference on High Performance Computing and Simulation, HPCS 2014, art. no. 6903807, 1030-1033.##
Siegel, R. and J. R. Howell (1992). Thermal Radiation Heat Transfer. Hemisphere Publishing Corporation, Washington DC.##
Smith, T. F., Z. F. Shen and J. N. Friedman (1982). Evaluation of coefficients for the weighted sum of gray gases model. J. Heat Transfer 104, 602-608.##
Smooke, M. D., I. K Puri and K. Seshadri (1986). A comparison between numerical calculations and experimental measurements of the structure of a counterflow diffusion flame burning diluted methane in diluted air. Proceedings of the Combustion Institute 21, 1783-1792.##
Wunning, J. A. and J. G. Wunning (1997). Flameless oxidation to reduce thermal NO formation. Prog. Energy Combust Sci., 23, 81–94.##
Yadav, N. P. and A. Kushari (2009). Vortex combustion in a low aspect ratio dump combustor with tapered exit. Energy Conversion and Management 50, 2983–2991.##
Yakhot, V. and S. A. Orszag, (1986). Renormalization group analysis of turbulence: I. Basic theory. Journal of Scientific Computing 1(1), 1-51.##
]A Computational Study on the Performance Improvement of Low-Speed Axial Flow Fans with Microplates22This paper proposes the use of microplates as a new flow control device to suppress boundary layer separation on blades and thus improve the aerodynamic performance of a low-speed axial flow fan. A computational study is performed by means of computational fluid dynamics (CFD) simulations. Numerical investigations are carried out based on Reynolds-averaged Navier-Stokes (RANS) method. The shear stress transport (SST) turbulence model and high-quality computational grids are adopted for CFD simulations. An exhaustive comparison of the fans with and without control has been conducted in terms of characteristic curves, streamlines and pressure distributions. The purpose of this work is to better understand the underlying flow control mechanisms of microplates. It is found that the total efficiency is slightly lowered when the controlled fan operates at the design flow rate. However, as the flow rate changes, the total efficiency of the controlled fan varies more gently than the original fan without control. Traced streamlines show that flow separation on blade surfaces is effectively controlled and radial flow migration on the suction surface is evidently diminished. Numerical results indicate that microplates significantly alleviate fan stall and have considerable beneficial effects on fan performance.15371546D.LuoSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, Chinapaysluo_dahai@163.comD.HuangSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, Chinapays596753633@qq.comX.SunSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, Chinapays3148353190@qq.comX.ChenSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaSchool of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, Chinapays771367634@qq.comZ.ZhengAerospace Engineering Department, University of Kansas, Lawrence, KS, 66045-7621, USAAerospace Engineering Department, University of Kansas, Lawrence, KS, 66045-7621, USApayszzheng@ku.eduAxial flow fan Flow control Microplate Computational fluid dynamics (CFD).[Azimian, A. R., R. L. Elder and A. B. McKenzie (1990). Application of recess vaned casing treatment to axial flow fans. Journal of Turbomachinery-Transactions of the ASME 112(1), 145-150.##
Bianchi, S., A. Corsini, A. G. Sheard and C. Tortora (2013). A critical review of stall control techniques in industrial fans. ISRN Mechanical Engineering 1-18.##
Bianchi, S., A. Corsini, L. Mazzucco, L. Monteleone and A. G. Sheard (2012). Stall inception, evolution and control in a low speed axial fan with variable pitch in motion. Journal of Engineering for Gas Turbine and Power-Transactions of the ASME 134(4), 042602.##
Corsini, A., F. Rispoli and A. G. Sheard (2009). Aerodynamic performance of blade tip end-plates designed for low-noise operation in axial flow fans. Journal of Fluids Engineering-Transactions of the ASME 131(8), 081101.##
Corsini, A., F. Rispoli and A. G. Sheard (2010). Shaping of tip end-plate to control leakage vortex swirl in axial flow fans. Journal of Turbomachinery-Transactions of the ASME 132(3), 031005.##
Corsini, A., G. Delibra and A. G. Sheard (2013). On the role of leading-edge bumps in the control of stall onset in axial fan blades. Journal of Fluids Engineering-Transactions of the ASME. 135(8), 081104.##
Corsini, A., G. Delibra, F. Rispoli, A. G. Sheard and D. Volponi (2014). Investigation on anti-stall ring aerodynamic performance in an axial flow fan. ASME Turbo Expo 2014: Turbine Technical Conference and Exposition, Düsseldorf, Germany.##
Hill, S. D., R. L. Elder and A. B. McKenzie (1998). Application of casing treatment to an industrial axial-flow fan. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 212(4), 225–233.##
Khaleghi, H. (2015a). Stall inception and control in a transonic fan, part A: rotating stall inception. Aerospace Science and Technology 41, 250–258.##
Khaleghi, H. (2015b). Stall inception and control in a transonic fan, part B: stall control by discrete endwall injection. Aerosp. Sci. Technol. 41, 151–157.##
Kim, J. H., B. Ovgor, K. H. Cha and et al. (2014). Optimization of the aerodynamic and aeroacoustic performance of an axial-flow fan. AIAA Journal 52(9), 2032-2044.##
Kim, J. H., J. W. Kim and K. Y. Kim (2011). Axial-flow ventilation fan design through multi-objective optimization to enhance aerodynamic performance. Journal of Fluids Engineering-Transactions of the ASME 133(10), 101101.##
Lemire, S., H. D. Vo and M. W. Benner (2009). Performance improvement of axial compressors and fans with plasma actuation. International Journal of Rotating Machinery 1-13.##
Louw, F. G., T. W. von Backström and S. J. van der Spuy (2014). Investigation of the flow field in the vicinity of an axial flow fan during low flow rates. ASME Turbo Expo 2014: Turbine Technical Conference and Exposition, Düsseldorf, Germany.##
Menter, F. R. (1994). Two-equation eddy-viscosity turbulence models for engineering applications. AIAA Journal 32(8), 1598-1605.##
Miyake, Y., T. Inaba and T. Kato (1987). Improvement of unstable characteristics of an axial flow fan by air-separator equipment. J. Fluids Eng. 109(1), 36‒40.##
Pinto, R. N., A. Afzal, L. V. D’Souza, Z. Ansari and A. D. M. Samee (2017). Computational fluid dynamics in turbomachinery: a review of state of the art. Archives of Computational Methods in Engineering 24(3), 467–479##
Pogorelov, A., M. Meinkey and W. Schröder (2016a). Impact of periodic boundary conditions on the flow field in an axial fan. AIAA Paper 2016-0610.##
Pogorelov, A., M. Meinkey and W. Schröder (2016b). Effects of tip-gap width on the flow field in an axial fan. International Journal of Heat and Fluid Flow 61, Part B, 466–481##
Sheard, A. G. and A. Corsini (2011). The impact of an anti-stall stabilisation ring on industrial fan performance: implications for fan selection. ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition Vancouver, British Columbia, Canada.##
Suder, K. L., M. D. Hathaway, S. A. Thorp, A. J. Strazisar and M. B. Bright (2001). Compressor stability enhancement using discrete tip injection. Journal of Turbomachinery-Transactions of the ASME 123(1), 14-23.##
Yamaguchi, N., M. Ogata and Y. Kato (2010). Improvement of stalling characteristics of an axial-flow fan by radial-vaned air-separators. Journal of Turbomachinery-Transactions of the ASME 132(2), 021015.##
Zhu, X., W. Lin and Z. Du (2005). Experimental and numerical investigation of the flow field in the tip region of an axial ventilation fan. Journal of Fluids Engineering-Transactions of the ASME 127(2), 299-307.##
]Performance Evaluation of a Trapezoidal Microchannel Heat Sink with Various Entry/Exit Configurations Utilizing Variable Properties22Most of numerical studies on microchannel heat sinks (MCHS) performed up to now are for a two-dimensional domain using constant properties of the coolant and solid part. In this study, laminar fluid flow and heat transfer of variable properties water in a trapezoidal MCHS, consisted of five trapezoidal microchannels, are studied. The three dimensional solution domains include both the flow field and the complete MCHS silicon made solid parts with variable conductivity. Four entry/exit configurations and three pressure drops of 5, 10 and 15 kPa are assumed. The results indicate that the A-type heat sink, for which the entry and exit are placed horizontally at the center of the north and the south walls, has a better heat transfer performance, smaller thermal resistance and provides more uniform solid temperature distribution. For pressure drop of 15 kPa, temperature-dependent properties of water increases the heat transfer between 2.73% and 3.33%, decreases the thermal resistance between 3.46% and 5.55 % and decreases the ratio of difference between the maximum and minimum substrate temperatures to the heat flux, θ, between 3.42% and 11.15%. Also by assuming temperature-dependent conductivity of silicon, the heat transfer increases between 0.75% and 2.58%, the thermal resistance decreases between 1.15% and 4.97 % and θ decreases between 2.41% and 6.49%.15471559H.KhorasanizadehFaculty of Mechanical Engineering and the Energy Research Institute, University of Kashan, Kashan, IranFaculty of Mechanical Engineering and the Energy Research Institute, University of Kashan, Kashan, Iranpayskhorasan@kashanu.ac.irM.SepehrniaFaculty of Mechanical Engineering and the Energy Research Institute, University of Kashan, Kashan, IranFaculty of Mechanical Engineering and the Energy Research Institute, University of Kashan, Kashan, Iranpaysmsepehr_91@yahoo.comTrapezoidal microchannel Entry/exit configurations Temperature-dependent properties Thermal resistance Heat transfer.[Anand, V. (2014). Slip law effects on heat transfer and entropy generation of pressure driven flow of a power law fluid in a microchannel under uniform heat flux boundary condition. Energy 76, 716-732.##
Bergman, T. L., F. P. Incropera and A. S. Lavine (2011). Fundamentals of heat and mass transfer, John Wiley and Sons.##
Chai, L., G. Xia, M. Zhou, J. Li and J. Qi (2013). Optimum thermal design of interrupted microchannel heat sink with rectangular ribs in the transverse microchambers. Applied Thermal Engineering 51(1), 880-889.##
Chein, R. and J. Chen (2009). Numerical study of the inlet/outlet arrangement effect on microchannel heat sink performance. International Journal of Thermal Sciences 48(8), 1627-1638.##
Chein, R. and J. Chuang (2007). Experimental microchannel heat sink performance studies using nanofluids. International Journal of Thermal Sciences 46(1), 57-66.##
Dehghan, M., M. Daneshipour, M. S. Valipour, R. Rafee and S. Saedodin (2015). Enhancing heat transfer in microchannel heat sinks using converging flow passages. Energy Conversion and Management 92, 244-250.##
Duryodhan, V., A. Singh, S. Singh and A. Agrawal (2015). Convective heat transfer in diverging and converging microchannels. International Journal of Heat and Mass Transfer 80, 424-438.##
Glassbrenner, C. and G. A. Slack (1964). Thermal conductivity of silicon and germanium from 3 K to the melting point. Physical Review 134(4A), A1058.##
Guo, J., M. Xu, J. Cai and X. Huai (2011). Viscous dissipation effect on entropy generation in curved square microchannels. Energy 36(8), 5416-5423.##
Guo, J., M. Xu, Y. Tao and X. Huai (2012). The effect of temperature-dependent viscosity on entropy generation in curved square microchannel. Chemical Engineering and Processing: Process Intensification 52, 85-91.##
Hung, T. C. and W. M. Yan (2012). Effects of tapered-channel design on thermal performance of microchannel heat sink. International Communications in Heat and Mass Transfer 39(9), 1342-1347.##
Ibáñez, G. and S. Cuevas (2010). Entropy generation minimization of a MHD (magnetohydrodynamic) flow in a microchannel. Energy 35(10), 4149-4155.##
Ibáñez, G., A. López, J. Pantoja, J. Moreira and J. A. Reyes (2013). Optimum slip flow based on the minimization of entropy generation in parallel plate microchannels. Energy 50, 143-149.##
Li, J. and G. Peterson (2006). Geometric optimization of a micro heat sink with liquid flow. Components and Packaging Technologies, IEEE Transactions on 29(1), 145-154.##
Li, J., G. Peterson and P. Cheng (2004). Three-dimensional analysis of heat transfer in a micro-heat sink with single phase flow. International Journal of Heat and Mass Transfer 47(19), 4215-4231.##
Nonino, C., S. Del Giudice and S. Savino (2010). Temperature-dependent viscosity and viscous dissipation effects in microchannel flows with uniform wall heat flux. Heat Transfer Engineering 31(8), 682-691.##
Phillips, R. J. (1988). Microchannel Reat Sinks." Lincoln Laboratory Journal 1(1), 31-48.##
Tuckerman, D. B. and R. Pease (1981). "High-performance heat sinking for VLSI." Electron Device Letters, IEEE 2(5): 126-129.##
Vanapalli, S., H. Ter Brake, H. Jansen, J. Burger, H. Holland, T. Veenstra and M. Elwenspoek (2007). Pressure drop of laminar gas flows in a microchannel containing various pillar matrices. Journal of Micromechanics and Microengineering 17(7), 1381.##
Vinodhan, V. L. and K. Rajan (2014). Computational analysis of new microchannel heat sink configurations. Energy Conversion and Management 86, 595-604.##
]A Novel Alternating Cell Directions Implicit Method for the Solution of Incompressible Navier Stokes Equations on Unstructured Grids22In this paper, A Novel Alternating Cell Direction Implicit Method (ACDI) is researched which allows implementation of fast line implicit methods on quadrilateral unstructured meshes. In ACDI method, designated alternating cell directions are taken along a series of contiguous cells within the unstructured grid domain and used as implicit lines similar to Line Gauss Seidel Method (LGS). ACDI method applied earlier for the solution of potential flows is extended for the solution of the incompressible Navier-Stokes equations on unstructured grids. The system of equations is solved by using the Symmetric Line Gauss-Seidel (SGS) method along the alternating cell directions. Laminar flow fields over a single element NACA-0008 airfoil are computed by using structured and unstructured quadrilateral grids, and inviscid Euler flow solutions are given for the NACA-23012b multielement airfoil. The predictive capability of the method is validated against the data taken from the experimental or the other numerical studies and the efficiency of the ACDI method is compared with the implicit Point Gauss Seidel (PGS) method. In the selected validation cases, the results show that a reduction in total computation between 18% and 23% is achieved by the ACDI method over the PGS. In general, the results show that the ACDI method is a fast, efficient, robust and versatile method that can handle complicated unstructured grid cases with equal ease as with the structured grids.15611570O.BaşTurkish Aerospace Industries Inc, Ankara, TurkeyTurkish Aerospace Industries Inc, Ankara, Turkeypaysobas@ae.metu.edu.trA. R.CeteGaziantep University, Gaziantep, TurkeyGaziantep University, Gaziantep, Turkeypaysarcete@gmail.comS.MengiGaziantep University, Gaziantep, TurkeyGaziantep University, Gaziantep, Turkeypaysmengis@gantep.edu.trI. H.TuncerMiddle East Technical University, Ankara, TurkeyMiddle East Technical University, Ankara, Turkeypaysismail.h.tuncer@ae.metu.edu.trU.KaynakTOBB University of Economics and Technology, Ankara, TurkeyTOBB University of Economics and Technology, Ankara, Turkeypaysukaynak@etu.edu.trAlternating cell directions implicit method ACDI U-MUSCL Artificial compressibility Incompressible N-S solver.[Anderson, W. K., R. D. Rausch and D. L. Bonhaus (1996). Implicit/multigrid algorithms for incompressible turbulent flows on unstructured grids. Journal of Computational Physics 128(2), 391–408.##
Bas, O. (2007). Development of an incompressible Navier-Stokes solver with alternating cell direction implicit method on structured and unstructured quadrilateral grids. Ph. D. thesis, Middle East Technical University.##
Blazek, J. (2015). Computational fluid dynamics: principles and applications. Butterworth-Heinemann.##
Burg, C. O. (2005). Higher order variable extrapolation for unstructured finite volume rans flow solvers. AIAA Paper 4999, 2005.##
Çete, A. R. (2004). Alternating Cell Direction Implicit Method. Ph. D. thesis, Istanbul Technical University, ˙Istanbul, Turkey.##
Çete, A. R., M. A. Yükselen and Ü. Kaynak (2008). A unifying grid approach for solving potential flows applicable to structured and unstructured grid configurations. Computers and Fluids 37(1), 35–50.##
Çete, R. and U. Kaynak (2006). A new approximate factorization method suitable for structured and unstructured grids. AIAA Paper 3789.##
Chan, C. and K. Anastasiou (1999). Solution of incompressible flows with or without a free surface using the finite volume method on unstructured triangular meshes. International Journal For Numerical Methods In Fluids 29(1), 35–57.##
Chorin, A. J. (1967). A numerical method for solving incompressible viscous flow problems. Journal of Computational Physics 2(1), 12–26.##
Delaundo (2008). Delaundo webpage. Accessed: 2008-07-27.##
Duc, N. T. (1999). An implicit scheme for incompressible flow computation with artificial compressibility method. Int. J. Numer. Fluids 29(1), 35–57.##
Jameson, A. and E. Turkel (1981). Implicit schemes and lu decompositions. Mathematics of Computation 37(156), 385–397.##
Kaliakatsos, C., A. Pentaris, D. Koutsouris, and S. Tsangaris (1996). Application of an artificial compressibility methodology for the incompressible flow through a wavy channel. Communications in Numerical Methods in Engineering 12(6), 359–369.##
Kunz, P. and I. Kroo (2000). Analysis, design, and testing of airfoils for use at ultralow reynolds numbers. In Proceedings of a Workshop on Fixed and Flapping Flight at Low Reynolds Numbers, Notre Dame. sn.##
Pulliam, T. H. and D. Chaussee (1981). A diagonal form of an implicit approximate-factorization algorithm. Journal of Computational Physics 39(2), 347–363.##
Rogers, S. E. (1995). Comparison of implicit schemes for the incompressible navier-stokes equations. AIAA Journal 33(11), 2066–2072.##
Rogers, S. E. and D. Kwak (1990). Upwind differencing scheme for the time-accurate incompressible navier-stokes equations. AIAA Journal 28(2), 253–262.##
Sato, Y., T. Hino and M. Hinatsu (2003). Unsteady flow simulation around a moving body by an unstructured navier-stokes solver. In Proceedings of the Sixth Numerical Towing Tank Symposium, Rome, Italy.##
Sedgewick, R. and P. Flajolet (2013). An introduction to the analysis of algorithms. Addison-Wesley.##
Sheng, C. and D. L. Whitfield (1999). Multi-block approach for calculating incompressible fluid flows on unstructured grids. AIAA journal 37(2), 169–176.##
Wenzinger, C. J. (1938). Pressure distribution over an naca 23012 airfoil with an naca 23012 external-airfoil flap.##
Yuan, L. (2002). Comparison of implicit multigrid schemes for three-dimensional incompressible flows. Journal of Computational Physics 177(1), 134–155.##]Study of Inertia and Compressibility Effects on the Density Wave Oscillations of Two-Phase Boiling Flows in Parallel Channels22In this research, a theoretical model is presented to investigate the density wave oscillations (DWOs), in two horizontal parallel channels with lumped parameter model based on two phase homogeneous hypothesis. The parallel channel is composed of the entrance section, heating section and outlet section and the model consists of the boiling channel model, pressure drop model, parallel channel model, constructive model and inertia and compressibility effects, while subcooled boiling effect is neglected and the governing equations are solved by Gear method. The model is validated with experimental data of a single channel flow instability experiment. Then the flow instability in twin channel system is studied under different conditions. This model can analyze the effects of external parameters, such as fluid inertia and compressible gases on the stability margins of density wave oscillations. The results show that, the fluid inertia and compressible gases can significantly change the stability margins of two parallel channels; in fact, the stability behavior of two parallel channel system improves with increasing the inlet inertia and outlet compressibility but, increasing the outlet inertia and inlet compressibility have negative effects the system stability.15711581Y.BakhshanDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, IranDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, Iranpaysbakhshany@yahoo.comS.KazemiDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, IranDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, Iranpayssamadkazemi1359@gmail.comS.NiaziDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, IranDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, Iranpaysniazi@hormozgan.ac.irP.AdibiDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, IranDepartment of Mechanical Engineering, Faculty of Engineering, Hormozgan University, Bandar Abbas, Iranpaysadibi@hormozgan.ac.irDensity wave oscillations Parallel channels Fluid inertia effects Compressibility effects.[Aritomi, M., S. Aoki and A. Inoue (1977). Instabilities in parallel channel of forced convection boiling up flow system, (I) mathematical model. Journal of Nuclear Science and Technology. 14, 22–30. ##
Aritomi, M., S. Aoki and A. Inoue (1979). Instabilities in parallel channel of forced convection boiling up flow system, (iii) – system with different flow conditions between two channels. Journal of Nuclear Science and Technology. 16, 343–355. ##
Beck, B. T. and G. L. Wedekind (1986). On the mean period of dry out point fluctuations. Trans ASME, Journal of Heat Transfer. 108,988–90.##
Chiapero, E. M., M. Fernandino and C. A. Dorao (2013). Numerical analysis of pressure drop oscillations in parallel channels. International Journal of Multiphase Flow. 56, 15–24.##
Clausse, A. and R. T Lahey (1990). An investigation of periodic and strange attractors in boiling flows using chaos theory. In: Proceedings of the 9th International Heat Transfer Conference. Jerusalem, Israel. 3–8.##
Clausse, A., R. T. Lahey and M. Podowski (1989). An analysis of stability and oscillation modes in boiling multichannel loops using parameter perturbation methods. International Journal of Heat and Mass Transfer. 32, 2055–2064.##
Colombo, M., A. Cammi, D. Papini and M. E Ricotti (2012). RELAP5/MOD3.3 study on density wave instabilities in single channel and two parallel channels. Progress in Nuclear Energy. 56, 15–23.##
Fukuda, K. and T. Kobori (1979). Classification of two-phase flow instability by density wave oscillation model. Journal of Nuclear Science and Technology 16, 95–108.##
Gear, A. C. (1974). Ordinary Differential Equation System Solver. Lawrence Liivarmore Laboratory.##
Guido, G., J. Converti and A. Clausse (1991). Density-wave oscillations in parallel channels – an analytical approach. Nuclear Engineering and Designs. 125, 121–136.##
Guo, Y., J. Huang, G. Xia and H. Zeng (2010). Experiment investigation on two-phase flow instability in a parallel twin-channel system. Annals of Nuclear Energy 37, 1281–1289.##
Guo, Y., S. Z Qiu, G. H Su and D. N Jia (2008). Theoretical investigations on two-phase flow instability in parallel multichannel system. Annals of Nuclear Energy 35, 665–676.##
Hirayama, M., H. Umekawa and M. Ozawa (2006). Parallel-channel instability in natural circulation system. Multiphase Science Technology 18, 305–337.##
Hua, L., D., Y. Chena, D. Huangb, Y. Yuanb, S. Wangb and L. Pana (2015). Numerical investigation of the mechanism of two-phase flow instability in parallel narrow . Nuclear Engineering and Design 287 ,78–89.##
Ibrahim, G. A. (2001). Effect of sudden changes in evaporator external parameters on a refrigeration system with an evaporator controlled by a thermostatic expansion valve. International Journal of Refrigeration 24,566–76.##
Kakac, S. and B. Bon (2008). Review of two-phase flow dynamic instabilities in tube boiling systems. International Journal of Heat and Mass Transfer 51, 399–433.##
Lee, J. D. and P. Pan (2014). The complex nonlinear dynamics in the multiple boiling channels coupling with multi-point reactors with constant total flow rate. Annals of Nuclear Energy. 71 , 174–189.##
Lee, J. D. and C. Pan (1999). Dynamics of multiple parallel boiling channel systems with forced flows. Nuclear Engineering and Design. 192, 31–44.##
Libo, Q., S. Ding and S. Qiu (2014). Research on two-phase flow instability in parallel rectangular channels. Annals of Nuclear Energy.65,47–59.##
Mithraratne P. and N. E Wijeysundera (2001). An experimental and numerical study of the dynamic behavior of counter-flow evaporators International Journal of Refrigeration 24,554–65.##
Muٌoz-Cobo, J. L., M. Z Podowski and S. Chiva (2002). Parallel channel instabilities in boiling water reactor systems: boundary conditions for out of phase oscillations. Annals of Nuclear Energy 29, 1891–1917.##
Paul, S. and S. Singh (2014). A density variant drift flux model for density wave oscillations, International Journal of Heat and Mass Transfer 69 ,151–163.##
Podowski, M. Z. and M. P Rosa (1997). Modeling and numerical simulation of oscillatory two-phase flows, with application to boiling water nuclear reactors. Nuclear Engineering and Design. 177.##
Podowski, M. Z., J. R. Lahey, R. T. Clausse and A. Desanctis (1990). Modeling and analysis of channel-to-channel instabilities in boiling systems. Chemical Engineering. Community 93, 75–92.##
Ruspini, L. C. (2012). Inertia and compressibility effects on density waves and Ledinegg phenomena in two-phase flow systems. Nuclear Engineering and Design 250, 60– 67.##
Wedekind, G. L. and B. T Beck (1974). Theoretical model of the mixture–vapor transition point oscillation associated with two-phase evaporating flow instabilities. Trans ASME, Journal of Heat Transfer 96,138–44.##
Wedekind, G. L. and W. F Stoecher (1986). Theoretical model for predicting the transient response of the mixture–vapor transition point in horizontal evaporating flow. Trans ASME, Journal of Heat Transfer 90,165–74.##
Xia, G., M. Peng and Y. Guo (2012). Research of two-phase flow instability in parallel narrow multichannel system. Annual of Nuclear Energy 48, 1–16.##
Xia, G. L., M. J. Peng and Y. Guo (2010). Analysis of Instability in Narrow Annular Multichannel System Based on RELAP5 Code Zero-Carbon. Energy Kyoto 2009. Springer, Japan292–299.##
Xiao, M., X. Chen, M. Zhang, T. Vezirogˆlu and S. Kakaç (1993). A multivariable linear investigation of two- phase flow instabilities in parallel boiling channels under high pressure. International Journal of Multiphase Flow. 19, 65–77.##
Yun, G., S. Qiu, G. Su and D. Jia (2008). Theoretical investigations on two-phase flow instability in parallel multichannel system. Annals of Nuclear Energy 35, 665–676.##
Zahn, W. R. (1964). A visual study of two-phase flow while evaporating in horizontal tubes. Trans ASME, Journal of Heat Transfer 86, 417–29.##
Zhang, Y., G. Su, X. Yang and S. Qiu (2009). Theoretical research on two-phase flow instability in parallel channels. Nuclear Engineering and Design 239, 1294–130.##
Zhang, Y., H. Li, L. Li and X. Lei (2014). Wang, Study on two-phase flow instabilities in internally-ribbed tubes by using frequency domain method, Applied Thermal Engineering. 65 ,1-13.##
Zhou, Y., Z. Zhang , M. Lin , D. Hou and X. Yan (2013). Capability of RELAP5 MOD3.3 code to simulate density wave instability in parallel narrow rectangular channels. Annals of Nuclear Energy 60 , 256–266.##
]Influence of Smooth Constriction on Microstructure Evolution during Fluid Flow through a Tube22A numerical solution for axis-symmetrical fluid flow through a smooth constriction using the alternating direction implicit finite volume method and the fractional-step-method is presented. The wall is modelled with a smooth contraction mapped by a sinusoidal function and the flow is supposed to be axis-symmetric. A pressure boundary condition is set at the inlet and the resulting pressure gradient field drives fluid flow which is always in laminar regime. This study presents results for a non-Newtonian fluid using the Ostwaldde Waele constitutive model. Moreover, a transient network representing three different microstructures, immersed in the fluid, is evolved by viscous dissipation and an isothermal process is considered. The time dependent evolution of the transient network is represented by a set of kinetic equations with their respective forward and reversed constants. The numerical predictions show that, at a fixed Reynolds number, the viscous dissipation and the grade of structure restoration or breakage is influenced by constriction severity due to the energy generated during fluid flow. A 50% reduction in transversal section generates secondary flow downstream and vortex shedding, whereas a 10% and 25% constrictions presents a thin boundary layer and no secondary flow near the constricted wall.15831591V.FerrerESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, MexicoESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, Mexicopaysvferrerl1400@alumno.ipn.mxR.Mil-MartίnezESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, MexicoESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, Mexicopaysrbnm2@hotmail.comJ.OrtegaESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, MexicoESIME-Zacatenco, Instituto Polit´ecnico Nacional, U.P. Adolfo López Mateos, Col. Lindavista, Del. Gustavo A. Madero, Ciudad de México, 07738, Mexicopaysortegaherreraangel@gmail.comR. O.VargasESIME-Azcapotzalco, Instituto Polit´ecnico Nacional, Av. de las Granjas 682, Col. Santa Catarina, Del. Azcapotzalco, Ciudad de México, 02250, MexicoESIME-Azcapotzalco, Instituto Polit´ecnico Nacional, Av. de las Granjas 682, Col. Santa Catarina, Del. Azcapotzalco, Ciudad de México, 02250, Mexicopaysreneosvargas@yahoo.com.mxGeneralized Newtonian fluid Transient network Finite volume method Fractional-step method.[Allamaprabhu, Y., B. N. Raghunandan and J. A. Moríñigo (2016). Numerical prediction of nozzle flow separation: Issue of turbulence modeling. Aerospace Science and Technology 50, 31–43.##
Binding, D. M., P. M. Phillips and T. N. Phillips (2006). Contraction/expansion flows: The pressure drop and related issues. Journal of Non-Newtonian Fluid Mechanics 137 (1-3), 31–38.##
Bird, R. B., R. C. Armstrong and O. Hassager (1987). Dynamics of polymeric liquids, Fluid mechanics, Volume 2. New York: John Wiley and Sons.##
Boghosian, M. E. and K. W. Cassel (2013). A pressure–gradient mechanism for vortex shedding in constricted channels. Physics of Fluids 25 (12), 123603.##
Dong, C., J. Zhu, X. Wu and C. F. Miller (2012). Aeration efficiency influenced by venturi aerator arrangement, liquid flow rate and depth of di
using pipes. Environmental Technology 33 (11), 1289–1298.##
Douglas, J. J. and J. E. Gunn (1964). A general formulation of alternating direction methods. Numerische Mathematik 6(1), 428–453.##
Ferrer, V. H., A. Gómez, J. A. Ortega, O. Manero, E. Rincón, F. López Serrano and R. O. Vargas (2017). Modeling of complex fluids using micro-macro approach with transient network dynamics. Rheologica Acta 56(5), 445–459.##
Ikbal, M. A., S. Chakravarty, K. K. L. Wong, J. Mazumdar and P. K. Mandal (2009). Unsteady response of non-newtonian blood flow through a stenosed artery in magnetic field. Journal of Computational and Applied Mathematics 230(1), 243–259.##
Jin, Z., L. Wei, L. Chen, J. Qian and M. Zhang (2013). Numerical simulation and structure improvement of double throttling in a high parameter pressure reducing valve. Journal of Zhejiang University SCIENCE A 14 (2), 137–146.##
Kim, J. and P. Moin (1985). Application of a fractional–step method to incompressible Navier–Stokes equations. Journal of Computational Physics 59 (2), 308–323. ##
Mandal, D. K., N. K. Manna, and S. Chakrabarti (2011). Influence of primary stenosis on secondary one and vice versa in case of double stenoses. Journal of Applied Fluid Mechanics 4 (4), 31–42.##
Manero, O., J. E. Puig, F. Bautista and J. P. Garcia-Sandoval (2015). Nonlinear viscoelasticity of complex fluids: A kinetic network model. Rheologica Acta 54(1), 53–67.##
Maqableh, A. M., S. A. Ammourah, A. Khadrawi, M. A. Al Nimr and A. C. Benim (2012). Hydrodynamics behaviour of a fluid flow in microventuri. Canadian Journal of Physics 90(1), 83–89.##
Mariani, V. C., A. T. Prata and C. Deschamps (2010). Numerical analysis of fluid flow through radial diffusers in the presence of a chamfer in the feeding orifice with a mixed eulerianlagrangian method. Computers and Fluids 39(9), 1672–1684.##
Mewis, J. and N. J. Wagner (2009). Thixotropy. Advances in Colloid and Interface Science 147–148, 214–227.##
Mu, Y., G. Zhao, A. Chen, G. Dong and S. Li (2014). Finite element simulation of three-dimensional viscoelastic planar contraction flow with multi-mode fenep constitutive model. Polymer Bulletin 71(12), 3131–3150.##
Pauley, L. L., P. Moin and W. C. Reynolds (1990). The structure of two-dimensional separation. Journal of Fluid Mechanics 220, 397–411.##
Ponalagusamy, R. and R. T. Selvi (2013). Blood flow in stenosed arteries with radially variable viscosity, peripheral plasma layer thickness and magnetic field. Meccanica 48(10), 2427–2438.##
Prandtl, L. (1904). Uber flüssigkeitsbewegung bei sehr kleiner reibung. Proceedings of the Institution of Mechanical Engineers 452, 484–491.##
Quemada, D. (1999). Rheological modelling of complex fluids:iv: Thixotropic and thixoelastic behaviour. startup and stress relaxation, creep tests and hysteresis cycles. The European Physical Journal Applied Physics 5(2), 191–207.##
Rincón, E., A. E. Chávez, R. Herrera and O. Manero (2005). Rheological modelling of complex fluids: A transient network model with microstate. Journal of non-Newtonian Fluid Mechanics 131, 64–77.##
Rosa, S. and F. T. Pinho (2006). Pressure drop coeffient of laminar newtonian flow in axisymmetric diusers. International Journal of Heat and Fluid Flow 27(2), 319–328.##
Siddiqui, A. M., N. Z. Khan, M. A. Rana and T. Haroon (2016). Flow of a second grade fluid through constricted tube using integral method. Journal of Applied Fluid Mechanics 9(6), 2803–2812.##
Singh, S. and D. You (2011). A multiblock ADI finite-volume method for incompressible Navier–Stokes equations in complex geometries. Journal of Computational Physics 230(19), 7400–7417.##
Sychev, V. V. (1982). Asymptotic theory of separation flows. Fluid Dynamics 17(2), 179–188.##
Xiong, Y., M. S. Cha and S. H. Chung (2015). Fuel density effect on near nozzle flow field in small laminar coflow diusion flames. In Proceedings of the Combustion Institute.##]Analyzing Free Vibration of a Cantilever Microbeam Submerged in Fluid with Free Boundary Approach22This paper aims to present a detailed analysis of the free vibration of a cantilever microbeam submerged in an incompressible and frictionless ﬂuid cavity with free boundary condition approach. In other words, in addition to the kinematic compatibility on the boundary between microbeam and its surrounding ﬂuid, equations of the potential functions are modeled assuming the free boundaries. Galerkin’s method is used for simulations. The results of the proposed model are validated by comparing with the early analytical and numerical studies of pertinent literature. Finally, it is inferred that by involving the free boundary conditions, which is closer to the physical reality, the natural frequencies of the system have instability, especially in higher modes. In addition, the values obtained for natural frequencies are smaller than what were calculated by ﬁxed bounary approach.15931603K.IvazUniversity of Tabriz, Tabriz, East Azarbayjan, IranUniversity of Tabriz, Tabriz, East Azarbayjan, Iranpaysivaz2003@yahoo.comD.AbdollahiUniversity of Tabriz, Tabriz, East Azarbayjan, IranUniversity of Tabriz, Tabriz, East Azarbayjan, Iranpaysabdollahi_d@tabrizu.ac.irR.ShabaniUrmia University, Urmia, West Azarbayjan, IranUrmia University, Urmia, West Azarbayjan, Iranpaysr.shabani@urmia.ac.irVibration Free boundary equation Added mass Microbeam.[Abdollahi, D., K. Ivaz and R. Shabani (2016b). A numerical improvement in analyzing the dynamic characteristics of an electrostatically actuated micro-beam in ﬂuid loading with free boundary approach. International Journal of Engineering-Transactions A: Basics 29(7), 1005-1013.##
Abdollahi, D., S. Ahdiaghdam, K. Ivaz and R. Shabani (2016a). A theoretical study for the vibration of a cantilever microbeam as a free boundary. Applied Mathematical Modelling 40, 1836-1849.##
Akgoz, B. and O. Civalek (2014). Thermo mechanical buckling behavior of functionally graded microbeams embedded in elastic medium. International Journal of Engineering Science 85, 90-104.##
Atkinson, C. and M. Manrique Lara (2007). The frequency response of a rectangular cantilever plate vibrating in a viscous ﬂuid. Journal of Sound and Vibration 300, 352-367.##
Eisley, J. G. (1964). Nonlinear vibration of beams and rectangular plates. Journal of Applied Mathematics and Physics 15.2, 167-175.##
Esmailzadeh, M., A. A. Lakis, M. Thomas and L. Marcouiller (2008). Three-dimensional modeling of curved structures containing and/or submerged in ﬂuid. Finite Elements in Analysis and Design 44, 334 - 345.##
Hung, E. S. and S. D. Senturia (1999). Extending the travel range of analogtuned electrostatic actuators. Journal of Microelectromechanical Systems 8, 497-505.##
Leissa, A. W. (1969). Vibration of plates. Ohio State Univ. Columbus.##
Liang Ke, L., Y. S. Wang and J. Yang (2012). Nonlinear free vibration of size-dependent functionally graded microbeams. International Journal of Engineering Science 50(1), 256-267.##
Lindholm, U. S., D. D. Kana, W. H. Chu and H. N. Abramson (1965). Elastic vibration characteristics of cantilever plates in water. Journal of Ship Research 9, 11-12.##
Park, J. Y. and J. E. Kim (2005). Global existence and stability for Euler-Bernoulli beam equation with memory condition at the boundary. J. Korean Math. Soc. 42(6), 1137-1152.##
Rezazadeh, G., M. Fathalilou, R. Shabani, S. Tarverdilou and S. Talebian (2009). Dynamic characteristics and forced response of an electrostatically-actuated microbeam subjected to ﬂuid loading. MicrosystTechnol 15, 1355-1363.##
Shabani, R., H. Hatami, F. G. Golzar and S. Tariverdilo (2013). Coupled vibration of a cantilever micro-beam submerged in a bounded incompressible ﬂuid domain. Acta Mechanica, Volume 224(4), 841-850.##
Wang, Y. G., W. H. Lin and N. Liu (2015). Non- linear bending and post-buckling of extensible microscale beams based on modiﬁed couple stress theory. Applied Mathematical Modelling 39, 117-127.##
]Numerical Studies on Thrust Augmentation in High Area Ratio Rocket Nozzles by Secondary Injection22Single stage to orbit propulsion devices are being developed as part of low cost access to space endeavors. Sea level operation of high area ratio rocket nozzle used in rocket engines leads to an overexpanded flow condition resulting in high side loads. Secondary injection of propellants in high area ratio nozzle is an attractive option to overcome the inefficiency of operation of such nozzles in sea level conditions in addition to the augmentation of thrust. A numerical study on thrust augmentation in high area ratio nozzle by secondary injection of propellants is presented here. The turbulent compressible reacting flow in rocket nozzle with auxiliary injection is simulated using conservation equations for chemical species based on finite rate chemistry model and compressible Navier-Stokes equations with AUSM+-up upwind scheme based unstuctured finite volume solver. An optimized eight step, six species reduced H2-O2finite chemistry reaction model is used to model the supersonic combustion. The indigenously developed solver has an efficient rescaling algorithm to alleviate the effect of stiffness in conventional explicit algorithm for simultaneous solution of reacting flow. The code is validated using the wall pressure and hydrogen concentration values reported for the similar high area ratio rocket nozzle. Accurate prediction of nozzle performance is possible with present turbulent reacting flow simulation as it take care of all losses in nozzle flow. Extensive computations have been performed for the performance estimation of high area ratio rocket nozzle for various prospective auxiliary injection options.16051614S.ShyjiDepartment of Mechanical Engineering; SCT College of Engineering, Thiruvananthapuram, Kerala-695018, IndiaDepartment of Mechanical Engineering; SCT College of Engineering, Thiruvananthapuram, Kerala-695018, Indiapaysshyjis@gmail.comM.DeepuDepartment of Aerospace Engineering; Indian Institute of Space Sci. &Tech., Thiruvananthapuram, Kerala-695547, IndiaDepartment of Aerospace Engineering; Indian Institute of Space Sci. &Tech., Thiruvananthapuram, Kerala-695547, Indiapaysdeepu@iist.ac.inN. A.KumarDepartment of Mechanical Engineering; College of Engineering, Thiruvananthapuram, Kerala-695016, IndiaDepartment of Mechanical Engineering; College of Engineering, Thiruvananthapuram, Kerala-695016, Indiapaysasoknak@cet.ac.inT.JayachandranPropulsion & Space Ordnance Entity, Vikram Sarabhai Space Center, Thiruvananthapuram- 695022, IndiaPropulsion & Space Ordnance Entity, Vikram Sarabhai Space Center, Thiruvananthapuram- 695022, Indiapayst_jayachandran@vssc.gov.inRocket nozzles Thrust augmentation Turbulent reacting flows AUSM+-up scheme Finite volume method.[Aso, S., S. Okuyama, M. Kawai and Y. Ando (1991) Experimental study on mixing phenomena in supersonic flows with slot injection, AIAA 91-0016.##
Aso, S., M. Tannou, S. Maekawa, Y. Ando, Y. Yamane and M. Fukuda (1994) A study on mixing phenomena in three-dimensional supersonic flow with circular injection, AIAA-94-0707. ##
Boles, J. A., J. R. Edwards and R. A. Bauerle (2010). Large-eddy/Reynolds-averaged Navier-Stokes simulations of sonic injection into Mach 2 crossflow. AIAA journal, 48(7), 1444-1456.##
Borowski, S. K., R. R. Corban, D. W. Culver, M. J. Bulman and M. C. Mcilwain (1994). A revolutionary lunar space transportation system architecture using extraterrestrial LOX-augmented NTR propulsion, AIAA-94-3343, 30th AIAA/ASME/SAE/ASEE Joint Propulsion Conference.##
Bulman, M. J., T. M. Neill and S. K. Borowski (2000). Simulated LOX-augmented nuclear thermal rocket (LANTR) testing. AIAA 2000-3897, 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference 16-19.##
Bussing, T. R. A. and E. M. Murman (1988). Finite Volume Method for the Calculation of Compressible Chemically Reacting Flows, AIAA Journal 26, 1070-1078.##
Candon, M. J. and H. Ogawa (2015). Thrust augmentation optimization through supersonic after-burning in scramjet engine nozzles via surrogate-assisted evolutionary algorithms. Acta Astronautica 116, 132-147.##
Davis, R. L., M. J. Bulman and C. Yam (2006). Numerical simulation of a thrust augmented rocket nozzle. AIAA 5205.##
Deepu, M. N., S. S. Gokhale and S. Jayaraj (2007). Numerical modelling of scramjet combustor, Defence Science Journal 57(4), 367-379.##
Deepu, M., M. P. Dhrishit and S. Shyji (2017). Numerical simulation of high speed reacting shear layers using AUSM+-up scheme-based unstructured finite volume method solver, International Journal of Modeling, Simulation, and Scientific Computing 8(4), 1750020.##
Evans, J. S. and C. J. Schexnayder (1980). Influence of Chemical Kinetics and Unmixedness on Burning Supersonic Hydrogen Flames, AIAA Journal 18(2), 188-193.##
Everett, D. E., M. A. Woodmansee, J. C. Dutton and M. J. Morris (1998). Wall pressure measurements for a sonic jet injected transversely into a supersonic crossflow. Journal of Propulsion and Power 14(6), 861-868.##
Forde, S., M. Bulman and T. Neill (2006). Thrust augmentation nozzle (TAN) concept for rocket engine booster applications. Acta Astronautica, 59(1), 271-277.##
Fuller, R. P., P. K. Wu, K. A. Kirkendall and A. S. Nejad (2000). Effects of injection angle on atomization of liquid jets in transverse airflow. AIAA journal 38(1), 64-72.##
Gao, Z. and C. Lee (2011). Numerical research on mixing characteristics of different injection schemes for supersonic transverse jet. Science China Technological Sciences 54(4), 883-893.##
Gruber, M. R., A. S. Nejadt, T. H. Chen and J. C. Dutton (1995). Mixing and penetration studies of sonic jets in a Mach 2 freestream. Journal of Propulsion and Power 11(2), 315-323.##
Kacynski, K. J. (1994). Calculation of Propulsive Nozzle Flow fields in Multi diffusing Chemically Reacting Environments, Ph.D. Thesis, Purdue University.##
Liou, M. S. (2006). A sequel to AUSM, Part II: AUSM+-up for all speeds. Journal of Computational Physics 214(1), 137-170.##
Liou, M. S. and C. J. Steffen (1993). A new flux splitting scheme. Journal of Computational physics 107(1), 23-39.##
McBride, B. J., S. Gordon and M. A. Reno (1993). Coefficients for calculating thermodynamic and transport properties of individual species.##
Nair, P., T. Jayachandran, M. Deepu, B. P. Puranik and U. V. Bhandarkar (2010). Numerical simulation of interaction of sonic jet with high speed flow over a blunt body using solution mapped higher order accurate AUSM+-UP based flow solver. Journal of Applied Fluid Mechanics 3(1), 15-23.##
Pavli, A. J., K. J. Kacynski and T. A. Smith (1987). Experimental thrust performance of a high-area-ratio rocket nozzle, NASA-TP-2720.##
Rizetta, D. P. (1992). Numerical simulation of slot injection into a turbulent supersonic stream. AIAA journal 30(10), 2434-2439.##
Shyji, S., N. A. Kumar, T. Jayachandran and M. Deepu (2017). Reacting Flow Simulation of Rocket Nozzles. Fluid Mechanics and Fluid Power–Contemporary Research 1485-1495. Springer India.##
Spaid, F. W. and E. Zukoski (1964). Secondary injection of gases into a supersonic flow. AIAA journal 2(10), 1689-1696.##
Yakhot, V. S. A. S. T. B. C. G., S. A. Orszag, S. Thangam, T. B. Gatski and C. G. Speziale (1992). Development of turbulence models for shear flows by a double expansion technique. Physics of Fluids A: Fluid Dynamics (1989-1993), 4(7), 1510-1520.##
]Convective Heat Transfer Enhancement using Slot Jet Impingement on a Detached Rib Surface22This paper presents results of a computational study to investigate the suitability of various RANS based turbulence models for slot jet impingement over flat and detached ribbed surfaces. The computed results are compared with the reported experimental data. It is observed that some turbulence models predict the experimental data with good trends, e.g., secondary peak in Nusselt number and distribution of normalized streamwise velocity. The standard k-ω and SST k-ω models predict heat transfer more accurately compared to that by other models with prediction of a secondary peak in Nusselt number. Distributions of turbulent kinetic energy, streamwise velocity and normal velocity are also analyzed to understand heat transfer behavior with flat and detached rib surfaces. Various parameters are considered to obtain a good understanding of heat transfer enhancement with jet impingement on a surface fitted with detached ribs. Further the effects of rib to plate clearance, position of first rib and Reynolds number on heat transfer characteristics are also investigated. It was observed that flow and heat transfer features are significantly affected by the placement of ribs on the impingement surface. Increasing the rib clearance, position of first rib in the streamwise direction and Reynolds number have favorable effects on heat transfer. The detached rib configuration offered augmentation in Nusselt number compared to the attached rib arrangement (i.e., with no clearance between the rib and impingement surface). Comparisons of stagnation point and average Nusselt numbers are also presented to understand heat transfer enhancement for flat and ribbed surfaces.16151627A. K.ShuklaDepartment of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi - 110016, IndiaDepartment of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi - 110016, Indiapaysanujshukla.iitd@gmail.comA.DewanDepartment of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi - 110016, IndiaDepartment of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi - 110016, Indiapaysadewan@am.iitd.ac.inSlot jet impingement Heat transfer Ribs Turbulence modelling Nusselt number RANS.[Al-Sanea, S. (1992). A numerical study of the flow and heat transfer characteristics of an impinging laminar slot-jet including crossflow effects. International journal of Heat and Mass Transfer 35(10), 2501-2513.##
Arquis, E., M. A. Rady and S. A. Nada (2007). A numerical investigation and parametric study of cooling an array of multiple protruding heat sources by a laminar slot air jet. International journal of Heat and Fluid Flow, 28(4), 787-805.##
Ashforth Frost, S. and K. Jambunathan (1996). Effect of nozzle geometry and semi-confinement on the potential core of a turbulent axisymmetric free jet. International Communications in Heat and Mass Transfer, 23(2), 155-162.##
Ashforth Frost, S., K. Jambunathan and C. F. Whitney (1997). Velocity and turbulence characteristics of a semiconfined orthogonally impinging slot jet. Experimental Thermal and Fluid Science 14(1), 60-67.##
Behnia, M., S. Parneix, Y. Shabany and P. A. Durbin (1999). Numerical study of turbulent heat transfer in confined and unconfined impinging jets. International Journal of Heat and Fluid Flow, 20(1), 1-9.##
Buchlin, J. M. (2011). Convective heat transfer in impinging-gas-jet arrangements Journal of Applied Fluid Mechanics 4(2), 137-149.##
Charmiyan, M., A. R. Azimian, L. Keirsbulc, E. Shirani and F. Aloui (2016). Turbulent Plane Impinging Jet-Physical Insight and Turbulence Modeling. Journal of Applied Fluid Mechanics, 9(1), 11-17.##
Cziesla, T., G. Biswas, H. Chattopadhyay and N. K. Mitra (2001). Large-eddy simulation of flow and heat transfer in an impinging slot jet. International Journal of Heat and Fluid Flow, 22(5), 500-508.##
Dairay, T., V. Fortuné, E. Lamballais, and L. E. Brizzi (2014). LES of a turbulent jet impinging on a heated wall using high-order numerical schemes. International Journal of Heat and Fluid Flow, 50, 177-187.##
Dewan, A. (2011). Tackling turbulent flows in engineering. Springer Science and Business Media.##
Dewan, A., R. Dutta and B. Srinivasan (2012). Recent trends in computation of turbulent jet impingement heat transfer. Heat Transfer Engineering 33(4-5), 447-460.##
Dutta, R., A. Dewan and B. Srinivasan (2013). Comparison of various integration to wall (ITW) RANS models for predicting turbulent slot jet impingement heat transfer. International Journal of Heat and Mass Transfer 65, 750-764.##
Dutta, R., A. Dewan and B. Srinivasan (2016). Large Eddy Simulation of Turbulent Slot Jet Impingement Heat Transfer at Small Nozzle-to-Plate Spacing. Heat Transfer Engineering 37(15), 1242-1251.##
Dutta, R., B. Srinivasan and A. Dewan (2013b). LES of a Turbulent Slot Impinging Jet to Predict Fluid Flow and Heat Transfer. Numerical Heat Transfer, Part A: Applications 64(10), 759-776.##
Gau, C. and C. C. Lee (1992). Impingement cooling flow structure and heat transfer along rib-roughened walls. International Journal of Heat and Mass Transfer 35(11), 3009-3020.##
Gau, C. and I. C. Lee (2000). Flow and impingement cooling heat transfer along triangular rib-roughened walls. International Journal of Heat and Mass Transfer 43(24), 4405-4418. ##
Hoogendoorn, C. J. (1977). The effect of turbulence on heat transfer at a stagnation point. International Journal of Heat and Mass Transfer 20(12), 1333-1338.##
Katti, V. and S. V. Prabhu (2008). Heat transfer enhancement on a flat surface with axisymmetric detached ribs by normal impingement of circular air jet. International Journal of Heat and Fluid Flow, 29(5), 1279-1294.##
Kedar, B., (1981). Temperature and Concentration Profiles in Fully Turbulent Boundary Layers. International Journal of Heat and Mass Transfer 24(9), 1541-1544.##
Krishnamurthy, M. R., B. J. Gireesha, B. C. Prasannakumara and R. S. R. Gorla (2016). Thermal radiation and chemical reaction effects on boundary layer slip flow and melting heat transfer of nanofluid induced by a nonlinear stretching sheet. Nonlinear Engineering, 5(3), 147-159. ##
Launder, B. E. and D. B. Spalding (1974). The numerical computation of turbulent flows, Computer Methods in Applied Mechanics and Engineering 3, 269-289.##
Livingood, J. N. and P. Hrycak (1973). Impingement heat transfer from turbulent air jets to flat plates: a literature survey, NASA TM X-2778.##
Lytle, D. and B. W. Webb (1994). Air jet impingement heat transfer at low nozzle-plate spacings. International Journal of Heat and Mass Transfer 37(12), 1687-1697.##
Menter, F. R. (1994). Two-equation eddy-viscosity turbulence models for engineering applications. AIAA journal, 32, 1598-1605.##
Muthukannan, M., P. R. Kanna, S. Jeyakumar and A. Bajpai (2016). Flow Field and Heat Transfer Investigation of a Confined Laminar Slot Jet on a Solid Block. Journal of Applied Fluid Mechanics 9(4).##
O’Donovan, T. S. and D. B. Murray (2007). Jet impingement heat transfer–Part II: A temporal investigation of heat transfer and local fluid velocities. International Journal of Heat and Mass Transfer 50(17), 3302-3314.##
Ramesh, G. K., B. C. Prasannakumara, B. J. Gireesha and M. M. Rashidi (2016). Casson Fluid Flow near the Stagnation Point over a Stretching Sheet with Variable Thickness and Radiation. Journal of Applied Fluid Mechanics, 9 (3), 1115-1122.##
Ramesh, G. K., B. J. Gireesha and R. S. R. Gorla (2015). Boundary layer flow past a stretching sheet with fluid‑particle suspension and convective boundary condition. Heat and Mass Transfer 51, 1061-1066. ##
Shih, T. H., W. W. Liou, A. Shabbir, Z. Yang and J. Zhu (1995). A new k-ε eddy viscosity model for high Reynolds number turbulent flows - model development and validation, Computers and Fluids 24, 227-238.##
Shukla, A. K. and A. Dewan (2016). Computational study on effects of rib height and thickness on heat transfer enhancement in a rib roughened square channel. Sādhanā - Academy Proc. In Engineering Science 41(6), 667-678.##
Shukla, A. K. and A. Dewan (2017). Flow and thermal characteristics of jet impingement: comprehensive review. International Journal of Heat and Technology, 35(1), 153-166. ##
Tan, L., J. Z. Zhang and H. S. Xu (2014). Jet impingement on a rib-roughened wall inside semi-confined channel. International Journal of Thermal Sciences 86, 210-218.##
Wilcox, D. C. (2006). Turbulence modeling for CFD, La Canada, California, USA.Wolfstein, M., (1969). The Velocity and Temperature Distribution of One-Dimensional Flow with Turbulence Augmentation and Pressure Gradient. International Journal of Heat and Mass Transfer, 12, 301-318.##
Yakhot, V. and S. A. Orszag (1986). Renormalization group analysis of turbulence: I. basic theory, Journal of Scientific Computing 1, 1-51.##
Zhe, J. and V. Modi (2001). Near wall measurements for a turbulent impinging slot jet (data bank contribution). ASME Journal of Fluids Engineering 123(1), 112-120.##
Zuckerman, N. and N. Lior (2006). Jet impingement heat transfer: physics, correlations, and numerical modeling. Advances in Heat Transfer 39, 565-631.##
]Behaviour of Mean Velocity in the Turbulent Axisymmetric Outer Near Wake22An asymptotic study of the outer near wake of a long slender body of revolution is carried out. The long slender body is a cylinder which is kept parallel to the flow and takes the shape of a simplified geometry such as that of an underwater vehicle, a rocket or hull form of a ship model. The wake flow is axisymmetric and the analysis has been carried out without any assumption on the eddy viscosity but utilizing the general behaviour of turbulent shear stress in the near wake. The governing equations are solved with appropriate boundary conditions. Similarity analysis for the mean velocity characteristics is carried out which shows the existence of a logarithmic region in the normal direction in the overlap region between the outer near wake and the inner near wake. Also shown is the exponential decay of the mean velocity defect as freestream velocity is reached. Validation of the results of the analysis is done using available experimental data.16291637T.YaneDepartment of Mathematics and Statistical Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, BotswanaDepartment of Mathematics and Statistical Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, Botswanapaystshepho.yane@studentmail.biust.ac.bwN.SubaschandarDepartment of Mathematics and Statistical Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, BotswanaDepartment of Mathematics and Statistical Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, Botswanapaysraos@biust.ac.bwAxisymmetric Outer near wake Boundary layer Turbulence.[Afzal, N. and R. Narasimha (1976). Axisymmetric turbulent boundary layer along a circular cylinder at constant pressure. Journal of fluid mechanics 74.##
Agrawal, A. and A. K Prasad (2003). Intergral solution for the mean flow profiles of turbulent jets, plumes and wakes, Journal of fluids engineering 125.##
Alber, I. E. (1980). Turbulent wake of a thin flat plate, Volume 18. AIAA journal 9, 79-1545R.##
Atli, V. (1989). Wakes of four complex bodies of revolution at zero angle of attack, AIAA journal 27, 6.##
Bevilaqua, P. M and P. S. Lykoudis (1978). Turbulence memory in self -preserving wakes, Journal of Fluid Mechanics 89(3), 589-606.##
Biau, D. (2011). Exact self-similar solutions for axisymmetric wakes, Comptes Redus Mecanique, Elsevier 339(2011), 245-249.##
Bogucz E. A. and J. D. A Walker (1988). The turbulent near wake at a sharp trailing edge, J. Fluid. Mech 196, 555-584.##
Bohorques, P., E. Sanmiguel Rojas, A. Sevilla, J. I. Jimenez Gonzalez and C. Martinez Bazan (2011). Stability and dynamics of the laminar wake past a slender blunt-based axisymmetric body, J. Fluid Mech 676, 110-144.##
Carmody, T. (1964). Establishment of the wake behind a disk, Journal of Basic Engineering 86, 869-882.##
Cebeci, T. (1970). Laminar and turbulent incompressible boundary layers on slender bodies of revolution in axial flow. Journal of Basic Engineering.##
Chevray, R. (1968). The turbulent wake of a body of revolution, J. of Basic Engineering 275-284.##
Denli, N. and L. Landweber (1979). Thick axisymmetric turbulent boundary layer on a circular cylinder, J. Hydronautics 13, 79-4109.##
Gibson, C. H., C. C. Chen and S. C. Lin (1968). Measurements of turbulence velocity and temperature fluctuations in the wake of a sphere 6(4), 642-649.##
Grandemange, M., M. Gohlke, V. Parezanovic (2012). On experimental sensitivity analysis of an axisymmetric turbulent wake, Phys Fluids 24, 035106.##
Jimenez, J. M., M. Hultmark and A. J. Smits (2010). The intermediate wake of a body of revolution at high Reynolds numbers, J. Fluid Mech 659, 516-539.##
Lu, M. and Sirviente A. I. (2005). Numerical study of the momentumless wake of an axisymmetric body, 43rd AIAA Aerospace Science meeting and exhibit, (2005) AIAA 2005-1109, Reno, Nevada.##
Merz, R. A., R. H. Page and C. E. G. Przirembel (1977). Subsonic axisymmetric near wake studies, AIAA journal 16, 7.##
Patel, V. C. and Y. T. Lee (1977). Thick axisymmetric boundary layer and near wake of a low drag body of revolution. IIHR report 210.##
Prabhu, A. and V. C. Patel (1982). Analysis of turbulent near wakes, IIHR report 253.##
Rao, G. N. V. (1967). The law of the wall in a thick axisymmetric turbulent boundary layer, Journal of applied mechanics, Volume 84. Transactions of the ASME.
Subashchandar, N. (1988). Turbulent near wakes. MSc (Eng) thesis, Department of Aerospace Engineering, Indian Institute of Science.##
Subashchandar, N. and A. Prabhu (1999). Turbulent near wake development behind a flat plate, Aerospace science and technology, Elsevier 2, 61-70.##
Swanson, R., C. Jr, J. A. Schetz and A. K. Jakubowski (1974). Turbulent wake behind slender bodies including self-propelled configurations, Virginia polytechnic institute and state Univ, Aerospace Engineering, Office of Naval research report VPI Aero-024. ##
Townsend, A. A. (1956). Turbulent Shear flow, Oxford University Press, G.B.##
White, F. M. (1972). Analysis of axisymmetric turbulent flow past a long cylinder, Journal of Basic Engineering 94, Transactions of the ASME.##
White, F. M. (2011). Fluid Mechanics, 7th Edition, McGrawHill.##
Yane, T. and N. Subaschandar (2016). Analysis of turbulent axisymmetric near wake, MATEC Web of Conferences 5411005, MIMT.##
Yane, T. and N. Subaschandar (2017). Analysis of turbulent axisymmetric near wake, Journal of turbulence, Taylor and Francis. ##
]Numerical Simulation of MHD Fluid Flow inside Constricted Channels using Lattice Boltzmann Method22In this study, the electrically conducting fluid flow inside a channel with local symmetric constrictions, in the presence of a uniform transverse magnetic field is investigated using Lattice Boltzmann Method (LBM). To simulate Magnetohydrodynamics (MHD) flow, the extended model of D2Q9 for MHD has been used. In this model, the magnetic induction equation is solved in a similar manner to hydrodynamic flow field which is easy for programming. This extended model has a capability of simultaneously solving both magnetic and hydrodynamic fields; so that, it is possible to simulate MHD flow for various magnetic Reynolds number (Rem). Moreover, the effects of Rem on the flow characteristics are investigated. It is observed that, an increase in Rem, while keeping the Hartman number (Ha) constant, can control the separation zone; furthermore, comparing to increasing Ha, it doesn't result in a significant pressure drop along the channel.16391648M.Jamali GhahderijaniDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, IranDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iranpaysmehdi.jamali@modares.ac.irM.EsmaeiliDepartment of Mechanical Engineering, faculty of Engineering, Kharazmi University, Tehran, IranDepartment of Mechanical Engineering, faculty of Engineering, Kharazmi University, Tehran, Iranpaysmosesmaeili@ut.ac.irM.AfrandDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, IranDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iranpaysmasoud.afrand@pmc.iaun.ac.irA.KarimipourDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, IranDepartment of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iranpaysarashkarimipour@gmail.comLattice Boltzmann method Magnetohydrodynamics Constrictions Magnetic Reynolds number Hartmann number.[Afrand, M. (2017). Using a magnetic field to reduce natural convection in a vertical cylindrical annulus. International Journal of Thermal Sciences 118(1), 12-23##.
Afrand, M., S. Farahat, A. Hossein Nezhad, G. A. Sheikhzadeh, F. Sarhaddi and S. Wongwises (2015). Multi-objective optimization of natural convection in a cylindrical annulus mold under magnetic field using particle swarm algorithm. International Communications in Heat and Mass Transfer 60(1), 13-20.##
Afrand, M., S. Farahat, A. Hossein Nezhad, G. A. Sheikhzadeh and F. Sarhaddi (2014). 3-D numerical investigation of natural convection in a tilted cylindrical annulus containing molten potassium and controlling it using various magnetic fields. International Journal of Applied Electromagnetics and Mechanics 46(4), 809-821.##
Afrand, M., S. Farahat, A. Hossein Nezhad, G. A. Sheikhzadeh and F. Sarhaddi (2014). Numerical simulation of electrically conducting fluid flow and free convective heat transfer in an annulus on applying a magnetic field. Heat Transfer Research 45(8), 749-766.##
Afrand, M., S. Rostami, M. Akbari, S. Wongwises, M. H. Esfe and A. Karimipour (2015). Effect of induced electric field on magneto-natural convection in a vertical cylindrical annulus filled with liquid potassium. International Journal of Heat and Mass Transfer 90(1), 418-426.##
Afrand, M., D. Toghraie, A. Karimipour and S. Wongwises (2017). A Numerical Study of Natural Convection in a Vertical Annulus Filled with Gallium in the Presence of Magnetic Field. Journal of Magnetism and Magnetic Materials 430(1), 22–28.##
Agarwal, R., L. Chusak and B. Morgan (2009). Lattice Boltzmann Simulations of Slip Flow of Newtonian and Non-Newtonian Fluids in Microgeometries. 47th AIAA Aerospace Sciences Meeting, Orlando, Florida 1119-1129.##
Ahmed, S. and D. Giddens (1981). Velocity measurements in steady flow through axisymmetric stenoses at moderate Reynolds numbers. Journal of Biomechanics 16(7), 505-516. ##
Attar, E. and C. Körner (2011). Lattice Boltzmann model for thermal free surface flows with liquid–solid phase transition. International Journal of Heat and Fluid Flow 32(1), 156–163.##
Bandyopadhyay, S. and G. C. Layek (2011). Numerical computation of pulsatile flow through a locally constricted channel. Communications in Nonlinear Science and Numerical Simulation 16(1), 252–265. ##
Bandyopadhyay, S. and G. C. Layek (2012). Study of magnetohydrodynamic pulsatile flow in a constricted channel. Communications in Nonlinear Science and Numerical Simulation 17(6), 2434–2446. ##
Bao, J. and L. Schaefer (2012). Lattice Boltzmann equation model for multi-component multi-phase flow with high density ratios. Applied Mathematical Modelling 37(4), 1860–1871. ##
Barnothy, M. (1964). Biological Effects of Magnetic Fields, Plenum Press, New York##
Bhatnagar, P. L., E. P. Gros and M. Krook (1954). A model for collision processes in gases. I. Small amplitude processes in charged and neural one-component systems. Physical Review 94(3), 511-525. ##
Boek, E. and M. Venturoli (2010). Lattice-Boltzmann studies of fluid flow in porous media with realistic rock geometries. Computers and Mathematics with Applications 59(7), 2305-2314. ##
Bouchut, F. (1999). Construction of BGK models with a family of kinetic entropies for a given system of conservation laws. Journal of Statistical Physics 95(1-2), 113- 170. ##
Boyd, J. and J. Buick (2007). Comparison of Newtonian and non-Newtonian flows in a two-dimensional carotid artery model using the lattice Boltzmann model. Physics in Medicine and Biology 52(20), 6215-6228.##
Bresolin, C. and A. Oliveira (2012). An algorithm based on collision theory for the lattice Boltzmann simulation of isothermal mass diffusion with chemical reaction. Computer Physics Communications 183(12), 2542–2549. ##
Chai, Z., B. Shi, Z. Guo and F. Rong (2011). Multiple-relaxation-time lattice Boltzmann model for generalized Newtonian fluid flows. Journal of Non-Newtonian Fluid Mechanics 166(5-6), 332–342. ##
Chen, S., K. Luo and C. Zheng (2012). A simple enthalpy-based lattice Boltzmann scheme for complicated thermal systems. Journal of Computational Physics 231(24), 8278–8294.##
Chen, H. and W. Matthaeus (1987). New cellular automaton model for magnetohydrodynamics. Physical Review Letters 59(1), 1845-1848.##
Chen, H., W. Matthaeus and L. Klein (1988). An analytic theory and formulation of a local magnetohydrodynamic lattice gas model. Physical Review Letters 31(6), 1439-1455.##
Chen, S. and G. Doolen (1998). Lattice Boltzmann method for fluid flows. Annual Review of Fluid Mechanics 30(1): 329-364.##
Chen, S., H. Chen, D. Martınez and W. Matthaeus (1991). Lattice Boltzmann Model for simulation of Magnetohydrodynamics. Physical Review Letters 67(27), 3776-3779.##
Chouly, F. and P. Lagree, (2012). Comparison of computations of asymptotic flow models in a constricted channel. Applied Mathematical Modelling 36(12), 6061–6071.##
Cramer, K. and S. Pai (1973). Magnetofluid dynamics for engineers and applied physicists. Scripta Publishing Company, Washington, DC.##
Dellar, P. (2002). Lattice Kinetic Schemes for Magnetohydrodynamics. Journal of Computational Physics 179(1), 95-126.##
Dellar, P. (2011). Lattice Boltzmann formulation for Braginskii magnetohydrodynamics. Computers and Fluids 46(1), 201–205.##
Deshpande, M., D. Giddens and R. Mabon (1976). Steady laminar flow through modeled vascular stenosis. Journal of Biomechanics 9(4), 165-174.##
Esmaeili, M., and K. Sadeghy (2009). MHD Flow of Power-Law Fluids in Locally-Constricted Channels. Journal of the Society of Rheology 37(4), 181-189.##
Gadel Hak, M. and D. Bushnell (1991). Separation Control: Review. ASME Journal of Fluids Engineering 113(1), 5–30.##
Giddens, D., C. Zarins and S. Glagov (1993). The role of fluid mechanics in the localization and detection of atherosclerosis. ASME Journal of Biomechanical Engineering 115(4B), 588-594.##
He, X. and L. Luo (1997). Lattice Boltzmann model for the incompressible Navier-Stokes equation. Journal of Statistical Physics 88(3/4), 927-944.##
Hirabayashi, S., T. Sato, K. Mitsuhori and Y. Yamamoto (2012). Microscopic numerical simulations of suspension with particle accumulation in porous media. Powder Technology 225(143), 143–148. ##
Ikbal, M., S. Chakravarty, K. Wong, J. Mazumdar and P. Mandal (2009). Unsteady response of non-Newtonian blood flow through a stenosed artery in magnetic field. Journal of Computational and Applied Mathematics 230(1), 243–259.##
Kefayati, G., M. Gorji-Bandpy, H. Sajjadi and D. Ganji (2012). Lattice Boltzmann simulation of MHD mixed convection in a lid-driven square cavity with linearly heated wall. Scientia Iranica B 19(4), 1053–1065.##
Lee, J. and Y. Fung (1970). Flow in locally-constricted tubes at low Reynolds numbers. ASME Journal of Applied Mechanics 37(1), 9-16.##
Lee, T. (1994). Steady Laminar Fluid Flow through a Variable Constriction in Vascular Tube. ASME Journal of Fluids Engineering 116(1), 66–71.##
Lin, K., C. Liao, S. Lien and C. Lin (2012). Thermal lattice Boltzmann simulations of natural convection with complex geometry. Computers and Fluids 69(35), 35–44.##
Martinez, D., S. Chen and W. Matthaeus (1994). Lattice Boltzmann Magnetohydrodynamics. Physics of Plasmas 1(6), 1850-1894.##
Mei, R., L Luo and W. Shyy (1999). An Accurate Curved Boundary Treatment in the Lattice Boltzmann Method. Journal of Computational Physics 155(2), 307-330.##
Midya, C., G. C. Layek, A. S. Gupta and T. Ray Mahapatra (2004). Magnetohydrodynamic Viscous Flow Separation in a Channel with Constrictions. Journal of Fluids Engineering 125(6), 952-962.##
Moreau, R. (1990). Magnetohydrodynamics. Kluwer Academic Publications, Dordrecht, Netherlands.##
Mustapha, N., N. Amina, S. Chakravarty and P. Mandal (2009). Unsteady magnetohydrodynamic blood flow through irregular multi-stenosed arteries. Computers in Biology and Medicine 39(10), 896–906.##
Neren, R. (1992). Vascular fluid mechanics, the arterial wall and atherosclerosis. ASME Journal of Biomechanical Engineering 114(3), 274-282.##
Ohta, M., T. Nakamura and Y. Yoshida (2011). Lattice Boltzmann simulations of viscoplastic fluid flows through complex flow channels. Journal of Non-Newtonian Fluid Mechanics 166(7-8), 404–412.##
Ponalagusamy, R. and S. Tamil (2013). Blood flow in stenosed arteries with radially variable viscosity, peripheral plasma layer thickness and magnetic field. Meccanica 48(10), 2427–2438.##
Rong, F., Z. Guo, Z. Chai and B. Shi (2010). A lattice Boltzmann model for axisymmetric thermal flows through porous media. International Journal of Heat and Mass Transfer 53(23-24), 5519–5527.##
Sinha, A. and J. C. Misra (2012). Numerical study of flow and heat transfer during oscillatory blood flow in diseased arteries in presence of magnetic fields. Applied Mathematics and Mechanics 33(5), 649-662.##
Succi, S. (2001) The Lattice Boltzmann equation for Fluid Dynamics and Beyond. Oxford Univesrity Press Inc, Oxford, United Kingdom.##
Tashtoush, B. and A. Magableh (2007). Magnetic field effect on heat transfer and fluid flow characteristics of blood flow in multi-stenosis arteries. Heat and Mass Transfer 44(3), 297-304.##
Tzirtzilakis, E. (2005). A mathematical model for blood flow in magnetic field. Physics of Fluids 17(7), 077103-077117.##
Vardanyan, V. (1973). Effect of Magnetic Field on Blood Flow. Biofizika 18(3), 491–496.##
Yan, Y., , Y. Zu and B. Dong (2011). LBM, a useful tool for mesoscale modelling of single-phase and multiphase flow. Applied Thermal Engineering 31(5), 649-655.##
Young, D. (1979). Fluid mechanics of arterial stenoses. ASME Journal of Biomechanical Engineering 101(3), 157-175.##
Zou, Q. and X. He (1997). On pressure and velocity boundary conditions for the lattice Boltzmann BGK model. Physics of Fluids 9(6), 1591-1598.##
]Characteristics of CNG Bubbles in Diesel Flow under the Influence of the Magnetic Field22This paper conducts an analytic study of the hydrodynamics of a small CNG bubbles in laminar horizontal Diesel flow under the influence of the magnetic field. Investigation based on experiments was carried out to identify the effects caused by varying the magnetic field intensity on the trajectory, the formation of bubbles and their shape and velocity. Different images at different positions were captured through a high speed camera, image processing technique and downstream from the CNG bubbles injection point delivered information on bubble velocity, bubbles size, spatial location and gas area fraction as a function of changing magnetic field intensity. The outcomes confirmed that CNG bubbles under magnetic field grow up vertically to have a bigger elliptical shape in the Diesel phase with the twofold of diameter. Also, it has been noted that the CNG bubbles velocity decreased as the magnetic field strengthened. 16491655H. A.Abdul Wahhab1Centre for Automotive Research and Electric Mobility, Mechanical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysia1Centre for Automotive Research and Electric Mobility, Mechanical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysiapaysabu_ameer5@yahoo.comA. R.A. Aziz1Centre for Automotive Research and Electric Mobility, Mechanical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysia1Centre for Automotive Research and Electric Mobility, Mechanical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysiapaysrashid@petronas.com.myH. H.Al-KayiemMechanical Engineering Department, Universiti Teknologi PETRONAS, Srei Iskandar, Perak, 32610, MalaysiaMechanical Engineering Department, Universiti Teknologi PETRONAS, Srei Iskandar, Perak, 32610, Malaysiapayshussain_kayiem@petronas.com.myM. S.NasifMechanical Engineering Department, Universiti Teknologi PETRONAS, Srei Iskandar, Perak, 32610, MalaysiaMechanical Engineering Department, Universiti Teknologi PETRONAS, Srei Iskandar, Perak, 32610, Malaysiapaysmohammad.nasif@petronas.com.myFuel technology Liquid-gas fuel mixer Magnetic field Two phase hydro-magnetic flow. [Abdul Wahhab, H. A., A. R. A. Aziz, H. H. Al Kayiem and M. S. Nasif (2016). Modeling of mixing Diesel-CNG in a horizontal pipe under the influence of a magnetic field, Asian Journal of Applied Sciences. 4(4), 920-929.##
Abdul Wahhab, H. A., A. R. A. Aziz, H. H. Al Kayiem and M. S. Nasif (2015). Modeling of diesel/CNG mixing in a pre-injection chamber. 3rd International Conference Mechanic Engineering Research, IOP Conference Series. 100, 012044.##
Bevington, P. R. and D. Keith Robinson (2003). Data reduction and error analysis. McGraw-Hill.##
Bhaga, D. and M. E. Weber (1981). Bubbles in viscous liquids: shapes, wakes and velocities, Journal of fluid Mechanics 105, 61-85.##
Brunner, K. and J. S. Chang (1980). Flow regime transition under electric fields in horizontal two-phase flow. in proceedings, 15th IEEE Industry Applications Society Conference 1052-1058.##
Brunner, K., P. T. Wan and J. S. Chang (1983). Flow pattern maps for horizontal gas liquid two-phase flow under d.c. electric field. In Electrostatics, Institute of Physics Conference Series 66, 215-220.##
Dinh, T. B. and T. S. Choi (1999). Application of image processing techniques in air/ water two phase flow, Mechanics Research Communications 26(4), 463-468.##
Ekambara, K., R. S. Sanders, K. Nandakumar and J. H. Masliyah (2008). CFD simulation of bubbly two-phase flow in horizontal pipes, Chemical Engineering Journal. 144, 277–288.##
Fossa, M. (1998). Design and performance of a conductance probe for measuring the liquid fraction in two-phase gas-liquid flows. Flow Measurement and Instrumentation 9, 103-109.##
Hnat, J. G. and J. D. Buckmaster (1976). Spherical cap bubbles and skirt formation. The Physics of Fluids 19, 182-194.##
Ishimoto, J., M. Okubo, S. Kamiyama and M. Higashitani (1995). Bubble behavior in magnetic fluid under a non-uniform magnetic field, International Journal of JSME 38(3), 382-387.##
Jarrahi, M., C. Castelain and H. Peerhossaini (2011). Laminar sinusoidal and pulsatile flows in a curved pipe, Journal of Applied Fluid Mechanics 4(2), 21- 26.##
Ki, H. (2010). Level set method for two-phase flows under magnetic fields, Computer Physics Communications 999-1007.##
Lugga, R. D. (1999). Energy dispersive X-ray scatter for measurement of oil/water ratios, Unclear Instruments and Methods in Physical Research 422, 938-941.##
Scheer, A. M. (1996). Multiphase Flow Measurement Using Multiply Energy Gamma Ray Absorption (MFGRA) Composition Measurement. SPE 36593 Presented at 1996 Annual-Technical Conference and Exhibition, Denver Colorado 10, 6-9.##
Sussman, M. and J. A. Smereka (1997). Axisymmetric free boundary problems. Journal of Fluid Mechanics 341, 269-294.##
]Entropy Production Analysis for S-Characteristics of a Pump Turbine22Due to the S-shape characteristics and the complicated flow in pump turbine, there may be serious instability when the pump-storage power plant starts. In order to conduct further study on the energy dissipation in hydraulic turbine, three dimensional incompressible steady state simulations were applied using SST k-ω turbulence model in this paper. It can be seen that the simulation results are consistent with experimental results well by the comparison of characteristic curves, and further analyses were made based on the entropy production theory. It is shown that the entropy production of spiral casing accounts for the minimum proportion in all components. The entropy production of cascades and runner differs a lot at different guide vane openings, and it features “S” characteristics with the increase of discharge. Then, the analysis of entropy production distribution on runner, blade cascades and draft tube was carried out at the 10mm guide vane opening. It was found that the losses in guide vane space is much higher than that of stay vane space and the losses are mainly in the tail area of stay vanes and vaneless space. The losses mainly occurs in the leading edges and the trailing edges of blades. The largest losses mainly lie at the wall of straight cone near the inlet in draft tube. The losses at the inner surface of elbow are also very high. The results indicate that the method based on the entropy production theory is very helpful to analyze and locate the losses in hydraulic turbine.16571668R. Z.GongDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, ChinaDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, Chinapaysgongruzhi@hit.edu.cnN. M.QiSchool of Astronautics, Harbin Institute of Technology, Harbin, 150001, ChinaSchool of Astronautics, Harbin Institute of Technology, Harbin, 150001, Chinapays287921693@qq.comH. J.WangDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, ChinaDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, Chinapayswanghongjie@hit.edu.cnA. L.ChenDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, ChinaDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, Chinapaysggyuzh@163.comD. Q.QinDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, ChinaDepartment of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, Chinapays33247089@qq.comHydraulic turbine S-shape characteristics Entropy production Energy losses.[Bejan, A. (1994). Entropy Production through Heat and Fluid Flow. John Wiley and Sons, Chichester, UK.##
Bejan, A. (1996). Entropy production minimization: the method of thermodynamic optimization of finite-time systems and finite-time processes. CRC Press, Boca Raton.##
Celik, I. B., U. Ghia, P. J. Roache, C. J Freitas, H. Coleman and P. E. Raad (2008). Procedure for Estimation and Reporting of Uncertainty due to Discretization in CFD Applications. ASME Journal of Fluids Engineering 130, 078001.##
Ghasemi, E., D. M. Mceligot, K. P. Nolan, J. Crepeau, A. Tokuhiro and R. S. Budwig (2013). Entropy generation in a transitional boundary layer region under the influence of free stream turbulence using transitional RANS models and DNS. International Communication in Heat and Mass Transfer 41, 10-16.##
Gloss, D., and H. Herwig (2010). Wall roughness effects in laminar flows: an often ignored though significant issue. Experiment in Fluids 49, 461-470.##
Gong, R. Z., H. J. Wang, L. X. Chen, D. Y. Li, H. C. Zhang and X. Z. Wei (2013). Application of entropy production theory to hydro-turbine hydraulic analysis. Science China- Technological Sciences 56(7), 1636-16437##
Herwig, H., D. Gloss and W. Wenterodt (2008). A new approach to understanding the influence of wall roughness on friction. Journal of Fluid Mechanical 613, 35-53.##
Kock, F. and H. Herwig (2004). Local entropy production in turbulent shear flows: a high Reynolds number model with wall functions. International Journal of Heat and Mass Transfer 47, 2205-2215.##
Li, D. Y., R. Z. Gong, H. J. Wang, G. M. Xiang, X. Z. Wei and D. Q. Qin (2016). Entropy Production Analysis for Hump Characteristics of a Pump Turbine Model. Chinese Journal of Mechanical Engineering 27(4), 803-812.##
Mathieu, J. and J. Scott (2000). An introduction to turbulent flow. Cambridge University Press, UK..##
Mceligot, D. M., E. J. Walsh, E. Laurien and P. R. Spalart (2008a). Entropy generation in the viscous part of turbulent boundary layers. ASME Journal of Fluids Engineering 130(6), 061205.##
Mceligot, D. M., K. P. Nolan, E. J. Walsh and E. Laurien (2008b). Effects of pressure gradients on entropy production in the viscous layers of turbulent wall flows. International Journal of Heat and Mass Transfer 51(5-6), 1104-1114.##
Mceligot, D. M., R. S. Brodkey and H. Eckelmann (2009). Laterally converging duct flows: part 4. Temporal behavior in the viscous layer. Journal of Fluid Mechanics 634,433–461.##
Naterer, G. F. and J. A. Camberos (2008). Entropy-based design and analysis of fluids engineering systems. CRC Press, Boca Raton.##
Schmandt, B., and H. Herwig (2011). Internal flow losses: a fresh look at old concepts. ASME Journal of Fluids Engineering 133, 051201.##
Zhang, H. C., B. Schmandt and H. Herwig (2009). Determination of loss coefficients for micro-flow devices: a method based on the second law analysis (SLA). ASME 2009 2nd Micro/Nanoscale Heat & Mass Transfer International Conference, Shanghai, China.##]Flow and Solute Transport through a Single Fracture during the Biodegradation of Residual Toluene22A series of bench scale experiments were performed to assess the effects of biofilm and bio-enhanced toluene dissolution on flow and solute transport through a rough fracture. The fracture was cast from a real shale rock fracture. Sterilized artificial groundwater was used as the nutrition source to support the growth of microorganisms which were obtained from local groundwater. Hydraulic and tracer tests were carried out before and after the injection of toluene, and during the toluene biodegradation as well. The normalized hydraulic conductivity decreased sigmoidally during the experiment, and reached 0.02 at the end of the experiment. Biofilm growth was the main cause for hydraulic conductivity reduction after the injection of liquid toluene. The presence of separate phase toluene extended the tracer tailing compared to tracer tests without toluene. The longitudinal dispersion coefficient DL was proportional to the 1.5th power of the mean velocity in the rough fracture with or without residual toluene. Though a biofilm developed in the fracture during bio-treatment, the effect of secondary biofilm-associated porosity on solute transport in the fracture had negligible effect on tracer transport due to its small thickness. It is also found that DL decrease exponentially with Pe reduction during the bio-treatment.16691677Y.TanNanjing hydraulic research institute, Nanjing, 210029, ChinaNanjing hydraulic research institute, Nanjing, 210029, Chinapaystan8112@gmail.comB.LuNanjing hydraulic research institute, Nanjing, 210029, ChinaNanjing hydraulic research institute, Nanjing, 210029, Chinapays370568102@qq.comT.WuJiangsu provincial center for disease control and prevention, Nanjing, 210024, ChinaJiangsu provincial center for disease control and prevention, Nanjing, 210024, Chinapays21106089@qq.comS.WuNanjing hydraulic research institute, Nanjing, 210029, ChinaNanjing hydraulic research institute, Nanjing, 210029, Chinapays1599736410@qq.comH.ShaNanjing hydraulic research institute, Nanjing, 210029, ChinaNanjing hydraulic research institute, Nanjing, 210029, Chinapays107752137@qq.comP.ZhouChina Institute of Water Resources and Hydropower Research, 100038, ChinaChina Institute of Water Resources and Hydropower Research, 100038, Chinapays8949891@qq.comFracture Flow Solute transport Toluene Biofilm.[Ahad, J. M. E., B. Sherwood Lollar, E. A. Edwards and et al. (2000). Carbon isotope fractionation during anaerobic biodegradation of toluene: implications for intrinsic bioremediation. Environmental Science and Technology 34(5), 892-896.##
Dalla, E., M. Hilpert and C. T. Miller (2002). Computation of the interfacial area for two-fluid porous medium systems. Journal of contaminant hydrology 56(1), 25-48.##
Detwiler, R. L., H. Rajaram and R. J. Glass (2000). Solute transport in variable-aperture fractures: An investigation of the relative importance of Taylor dispersion and macrodispersion. Water Resources Research 36(7), 1611-1625.##
Dou, Z. and Z. F. Zhou (2013). Numerical study of non-uniqueness of the factors influencing relative permeability in heterogeneous porous media by lattice Boltzmann method. International Journal of Heat and Fluid Flow 42, 23-32.##
Dou, Z., Z. Zhou and B. E. Sleep (2013). Influence of wettability on interfacial area during immiscible liquid invasion into a 3D self-affine rough fracture: Lattice Boltzmann simulations. Advances in water resources 6, 1-11.##
Ghoreishi, S. M., M. Behpoura and M. Golestaneha (2011). Simultaneous voltammetric determination of Brilliant Blue and Tartrazine in real samples at the surface of a multi-walled carbon nanotube paste electrode. Analytical methods 3, 2842-2847.##
Hill, D. D. and B. E. Sleep (2002). Effects of biofilm growth on flow and transport through a glass parallel plate fracture. Journal of Contaminant Hydrology 56, 227-246.##
Morrill, P. L., B. E. Sleep, D. J. Seepersad and et al. (2009). Variations in expression of carbon isotope fractionation of chlorinated ethenes during biologically enhanced PCE dissolution close to a source zone. Journal of Contaminant Hydrology 110(1), 60-71.##
Roux, S., F. Plouraboue and J. P. Hulin (1998). Tracer dispersion in rough open cracks. Transport in Porous Media 32(1), 97-116.##
Sardessai, Y. and S. Bhosle (2002). Tolerance of bacteria to organic solvents. Research in Microbiology 153(5), 263-268.##
Schäfer, W. and R. Therrien (1995). Simulating transport and removal of xylene during remediation of a sandy aquifer. Journal of Contaminant Hydrology 19(3), 205-236.##
Seagren, E. A. and J. G. Becker (2015). Predictions of bioenhancement of nonaqueous phase liquid ganglia dissolution using first-and zero-order biokinetic models. Journal of Contaminant Hydrology 182, 210-220.##
Seagren, E. A., B. E. Rittmann and A. J. Valocchi (2002). Bioenhancement of NAPL pool dissolution: experimental evaluation. Journal of Contaminant Hydrology 55(1), 57-85.##
Seagren, E. A., B. E. Rittmann and A. J. Valocchi (1993). Quantitative evaluation of flushing and biodegradation for enhancing in situ dissolution of nonaqueous-phase liquids. Journal of Contaminant Hydrology 12(1-2), 103-132.##
Sharp, R. R., A. B. Cunningham, J. Komlos and et al. (1999). Observation of thick biofilm accumulation and structure in porous media and corresponding hydrodynamic and mass transfer effects. Journal of Water Science and Technology 39(7), 195-201.##
Sleep, B. E., D. J. Seepersad, K. Mo and et al. (2006). Biological enhancement of tetrachloroethene dissolution and associated microbial community changes. Environmental Science and Technology 40(11), 3623-3633.##
Yang, X., L. E. Erickson and L. T. Fan (1995). A study of the dissolution rate-limited bioremediation of soils contaminated by residual hydrocarbons. Journal of Hazardous Materials 41(2-3), 299-313.##
]Experimental Investigation of Tip Vortex Meandering in the Near Wake of a Horizontal-Axis Wind Turbine22The aerodynamic optimization of horizontal axis wind turbine has became one of the most important challenge in the renewable energy field. Over the past few years, many researchers have drawn more attention to the physical processes of the wind energy conversion and precisely the identification of the main causes of energy losses. This paper presents an experimental investigation of near wake dynamics for a model horizontal axis wind turbine in a wind tunnel. The coherent structures downstream of the rotor were studied for different tip speed ratios using the Particle Image Velocimetry (PIV) technique. The influence of the tip vortex meandering was discussed and analyzed using the Proper Orthogonal Decomposition (POD) method. The high-energy modes show that radial meandering is the most energetic source of perturbation in each tip vortex sub-region. The energy fraction of these modes increase gradually during the development of the helical tip vortex filament, which confirm the growth of vortex wandering amplitude in the near wake.16791688A. W.DahmouniLaboratory of Wind Power Control and Energy Valorization of Waste (LMEEVED), Research and Technology Center of Energy (CRTEn), BP 95 Hammam Lif 2050, Tunisia.Laboratory of Wind Power Control and Energy Valorization of Waste (LMEEVED), Research and Technology Center of Energy (CRTEn), BP 95 Hammam Lif 2050, Tunisia.paysdahmouni_anouar_wajdi@yahoo.frM. M.OueslatiLaboratory of Wind Power Control and Energy Valorization of Waste (LMEEVED), Research and Technology Center of Energy (CRTEn), BP 95 Hammam Lif 2050, Tunisia.Laboratory of Wind Power Control and Energy Valorization of Waste (LMEEVED), Research and Technology Center of Energy (CRTEn), BP 95 Hammam Lif 2050, Tunisia.paysoueslati3@yahoo.frS.Ben NasrallahLaboratory of Thermal and Energy Systems Studies (LESTE), National Engineering School of Monastir, Monastir 5019, Tunisia.Laboratory of Thermal and Energy Systems Studies (LESTE), National Engineering School of Monastir, Monastir 5019, Tunisia.payssassi.bennasrallah@yahoo.frWind turbine Near wake Tip vortex Meandering POD.[Aloui, F., M. Kardous, R. Cheker and S. Ben Nasrallah (2013). Study of the wake induced by a porous disc. In Proceedings of the 21st French Congress of Mechanics CFM2013, Bordeaux, France.##
Bastine, D., B. Witha, M. Wächter and J. Peinke (2014). POD analysis of a wind turbine wake in a turbulent atmospheric boundary layer. Journal of Physics: Conference Series 524(1), 012153.##
Del Pino, C., J. M. Lopez-Alonso, L. Parras, and R. Fernandez-Feria (2011). Dynamics of the wing-tip vortex in the near field of a NACA 0012 aerofoil. The Aeronautical Journal 115(1166), 229-239.##
Fabre, D., D. Sipp and L. Jacquin (2006). Kelvin waves and the singular modes of the Lamb–Oseen vortex. Journal of Fluid Mechanics 551, 235-274.##
Fisichella, C. J. (2001). An Improved Prescribed Wake Analysis for Wind Turbine Rotors. Ph. D. thesis, the University of Illinois, Champaign, USA.##
Glauert H. (1935). Windmills and Fans, In W. F. Durand (Ed), Aerodynamic theory. Berlin, Julius Springer.##
Grant, I., M. Mo, X. Pan, P. Parkin, J. Powell, H. Reinecke, K. Shuang, F. Coton and D. Lee (2000). An experimental and numerical study of the vortex filaments in the wake of an operational, horizontal-axis, wind turbine. Journal of Wind Engineering and Industrial Aerodynamics 85(2), 177-189.##
Hu, D., J. Ren and Z. Du (2007). A measurement of the three-dimensional near-wake velocity field of a model horizontal-axis wind turbine, In K. Cen, Y. Chi and F. Wang (Eds), Challenges of Power Engineering and Environment. Berlin Heidelberg, Springer.##
Lanchester, F. W. (1915). A contribution to the theory of propulsion and the screw propeller. Naval Engineers Journal 27(2), 509-510.##
Larsen, G. C., H. Madsen Aagaard, F. Bingöl, J. Mann, S. Ott, J. N. Sørensen and et al. (2007). Dynamic wake meandering modeling. Risø National Laboratory for Sustainable Energy, Technical University of Denmark. Report number: Risoe-R: No. 1607(EN). ISSN 0106-2840 ISBN 978-87-550-3602-4##
Lignarolo, L. E. M., D. Ragni, C. Krishnaswami, Q. Chen, C. S. Ferreira and G. J. W. Van Bussel (2014). Experimental analysis of the wake of a horizontal-axis wind-turbine model. Renewable Energy 70, 31-46.##
Machefaux, E., G. C. Larsen, N. Troldborg, M. Gaunaa and A. Rettenmeier, (2015). Empirical modeling of single‐wake advection and expansion using full‐scale pulsed lidar‐based measurements. Wind Energy 18(12), 2085-2103.##
Massouh, F. and I. Dobrev (2014). Investigation of wind turbine flow and wake. Journal of Fluid Science and Technology 9(3), JFST0025-JFST0025.##
Mula, S. M., and C. E. Tinney (June 2014). Classical and snapshot forms of the POD technique applied to a helical vortex filament. 44th AIAA Fluid Dynamics Conference, Atlanta, Georgia, USA.##
Myers, L. and A. S. Bahaj (2007). Wake studies of a 1/30th scale horizontal axis marine current turbine. Ocean Engineering 34(5), 758-762.##
Noura, B., I. Dobrev, R. Kerfah, F.Massouh and S. Khelladi (2016). Investigation of the Rotor Wake of Horizontal Axis Wind Turbine under Yawed Condition. Journal of Applied Fluid Mechanics 9(6), 2695-2705.##
Premaratne, P., W. Tian and H. Hu (June 2016). Analysis of Turbine Wake Characteristics using Proper Orthogonal Decomposition (POD) and Triple Decomposition. 46th AIAA Fluid Dynamics Conference, Washington, D.C. USA.##
Sarlak, H., T. Nishino, L. A. Martínez Tossas, C. Meneveau and J. N. Sørensen (2016). Assessment of blockage effects on the wake characteristics and power of wind turbines. Renewable Energy 93, 340-352.##
Sherry, M., J. Sheridan and D. L. Jacono (2013). Characterisation of a horizontal axis wind turbine’s tip and root vortices. Experiments in Fluids 54(3), 1417.
Snel, H., J. G. Schepers and B. Montgomerie (2007). The MEXICO project (Model Experiments in Controlled Conditions): The database and first results of data processing and interpretation. Journal of Physics: Conference Series 75(1), 012014.##
Vermeer, L. J., J. N. Sørensen and A. Crespo (2003). Wind turbine wake aerodynamics. Progress in Aerospace Sciences 39(6), 467-510.##
Vermeer, N. J. and G. J. W. Van Bussel (1990). Velocity measurements in the near wake of a model rotor and comparison with theoretical results. In Proceedings of the European Community Wind Energy Conference, Madrid, Spain 218-222.##
Whale, J., C. G. Anderson, R. Bareiss and S. Wagner (2000). An experimental and numerical study of the vortex structure in the wake of a wind turbine. Journal of Wind Engineering and Industrial Aerodynamics 84(1), 1-21.##
]Aerodynamics of Flapping Wings for Vertical Takeoff22The present study is based on analysing a flapping based locomotion in vertical direction which is inspired from jelly fish in vertical locomotion. A numerical investigation is performed to analyse the aerodynamic performance in terms of two dimensional flat plates under flapping conditions with the fluid at rest. The model considered is an umbrella structure prototype which has vertical plates placed at certain intermittent distance from each other with their leading edges hinged. The dynamic effect of 2D plates are analysed by varying the chord length of flapper for a range of amplitude and frequency to study the interference effects of flappers in close proximity. It is found that a suitable chord length and intermittent distance is required for improving the aerodynamic characteristics. It is envisaged that the results obtained in this study will lead to better understanding of the dynamics of flapping based locomotion which are useful for developing hovering kinematics in surveillance and reconnaissance.16891697G. C.Vishnu KumarHindustan University, Chennai, IndiaHindustan University, Chennai, Indiapaysrs.vkgc0914@hindustanuniv.ac.inD. A.ShahHindustan University, Chennai, IndiaHindustan University, Chennai, Indiapaysaero@hindustanuniv.ac.inFlapping Flat plates Numerical simulation Vortex structure.[Dabiri, J. O., S. P. Colin, J. H. Costello and M. Gharib (2005). Flow Patterns Generated by Oblate Medusan Jellyfish: Field Measurements and Laboratory Analyses. Journal of Experimental Biology 208, 1257-1269.##
Issa, R. I. (1986). Solution of Implicitly Discretized Fluid Flow Equations by Operator Splitting. Journal of Computational Physics 62, 40-65.##
Jones, K. D., C. J. Bradshaw, J. Papadopoulos and M. F. Platzer (2005). Bio-inspired design of flapping-wing micro aerial vehicles. Aeronautical Journal 109(2005), 385-393.##
Leif, R. and S. Childress (2014). Stable hovering of a jelly fish like flying machine. Journal of Royal Society Interface 11, 20130992. ##
Mahboubi Doust, A., A. Ramiar and M. Dardel (2016). Simultaneous investigation of flexibility and plasma actuation effects on the aerodynamic characteristics of an oscillating airfoil. Journal of Applied Fluid Mechanics 9(5), 2489-2501.##
Peng, J. and S. Alben (2012). Effects of shape and stroke parameters on the propulsion performance of an axisymmetric swimmer. Bio inspiration Biomimetics 7, 016012. ##
Sebastian, l. and O. Lopez (2013). Parametric study of low Reynolds number flapping wing aerodynamics. AIAA Journal 54, 42-51.##
Sheng, J. X., A. Yasi, D. Kolomensky, E. Kanso, M. Nitsche and K. Schneider (2012). Simulating vortex wakes of flapping plates, Natural Locomotion in Fluids and on surfaces 155, 255-262.##
Sun, M. and Y. Xiong (2005). Dynamic flight stability of a hovering bumblebee. Journal of Experimental Biology 208, 447–459.##
Wan, H., H. Dong and G. P. Huang (2012). Hovering Hinge-connected flapping plate with passive deflection. AIAA Journal 50, 2020–2027.##
Wang, Z., J. Birch and M. Dickinson (2004). Unsteady forces and flows in low Reynolds number hovering: two-dimensional computations vs robotic wing experiments. Journal of Experimental Biology 207, 449-460.##
Weis Fogh, T. (1973). Quick estimates of flight fitness in hovering animals, including novel mechanisms for lift production. Journal of Experimental Biology 5, 169–230. ##
Zdunich, P., D. Bilyk, M. MacMaster, D. Loewen, J. DeLaurier, R. Kornbluh, T. Low, S. Stanford and D. Holeman (2007). Development and testing of the Mentor flapping-wing micro air vehicle. Journal of Aircraft 44, 1701–1711.##]Numerical Study on Fluid-Structure Interaction in a Patient-Specific Abdominal Aortic Aneurysm for Evaluating Wall Heterogeneity and Material Model Effects on its Rupture22Abdominal Aortic Aneurysm (AAA) is one of the main cardiovascular diseases, which threats human’s health while it appears, develops and in crucial cases ruptures and leads to hemorrhage. In the current work, we aim to investigate numerically the transient blood flow in a patient-specific AAA model, while effects of wall compliance is considered by employing the fluid-structure interaction method. The AAA model is reconstructed from acquired CT angiographic data of a patient diagnosed with AAA and an intraluminal thrombus (ILT). For the comparison purposes two different material models, i.e. isotropic and anisotropic are considered. Additionally, to have a better estimation, wall thickness variability is compared with simpler uniform wall thickness model. In this study Navier-Stokes equations along with elastodynamics equation are coupled through Arbitrary Lagrangian-Eulerian formulation method and solved numerically. Findings demonstrate that the isotropic material model with uniform wall thickness significantly underestimates wall stresses as compared to the anisotropic material model with variable wall thickness. Indeed, results emphasize that considering vessel wall as an anisotropic, heterogeneous (variable thickness) structure estimates much higher wall stresses comparing with isotropic, uniform thickness model. Therefore, given realistic vessel wall structure and the fact that the anisotropic, variable wall thickness model predicts higher wall stresses, it could be a more reliable model to give an accurate estimation to physicians to diagnose the stage of a disease and choosing an appropriate therapeutic procedure. 16991709Y.MesriDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, IranDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iranpaysyaser1479@gmail.comH.NiazmandDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, IranDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iranpaysniazmand@um.ac.irA.DeyranlouDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, IranDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iranpaysdeyranlou.amin@gmail.comAbdominal aortic aneurysm Fluid-structure interaction Material model Wall thickness.[Bathe, K. J. and H. Zhang (2002). A flow-condition-based interpolation finite element procedure for incompressible fluid flows. Computers and Structures 80(14–15), 1267-1277.##
Darling, R. C., C. R. Messina, D. C. Brewster, L. W. Ottinger (1977). Autopsy study of unoperated abdominal aortic aneurysms. The case for early resection. Circulation 56(3 Suppl), Ii161-164.##
Di Martino, E., S. Mantero, F. Inzoli, G. Melissano, D. Astore, R. Chiesa and R. Fumero (1998). Biomechanics of abdominal aortic aneurysm in the presence of endoluminal thrombus: Experimental characterisation and structural static computational analysis. European Journal of Vascular and Endovascular Surgery 15(4), 290-299.##
Di Martino, E. S., G. Guadagni, A. Fumero, G. Ballerini, R. Spirito, P. Biglioli and A. Redaelli (2001). Fluid–structure interaction within realistic three-dimensional models of the aneurysmatic aorta as a guidance to assess the risk of rupture of the aneurysm. Medical Engineering & Physics 23(9), 647-655.##
Di Martino, E. S. and D. A. Vorp (2003). Effect of Variation in Intraluminal Thrombus Constitutive Properties on Abdominal Aortic Aneurysm Wall Stress. Annals of Biomedical Engineering 31(7), 804-809.##
Dorfmann, A., C. Wilson, E. S. Edgar, R. A. Peattie (2010). Evaluating patient-specific abdominal aortic aneurysm wall stress based on flow-induced loading. Biomechanics and Modeling in Mechanobiology 9(2), 127-139.##
Doyle, B. J., A. J. Cloonan, M. T. Walsh, D. A. Vorp and T. M. McGloughlin (2010). Identification of rupture locations in patient-specific abdominal aortic aneurysms using experimental and computational techniques. Journal of Biomechanics 43(7), 1408-1416.##
Dua, M. M. and R. L. Dalman (2010). Hemodynamic Influences on abdominal aortic aneurysm disease: Application of biomechanics to aneurysm pathophysiology. Vascular Pharmacology 53(1–2), 11-21.##
Fillinger, M. F., S. P. Marra, M. L. Raghavan, F. E. Kennedy (2003). Prediction of rupture risk in abdominal aortic aneurysm during observation: Wall stress versus diameter. Journal of Vascular Surgery 37(4), 724-732.##
Fillinger, M. F., M. L. Raghavan, S. P. Marra, J. L. Cronenwett, F. E. Kennedy (2002). In vivo analysis of mechanical wall stress and abdominal aortic aneurysm rupture risk. Journal of Vascular Surgery 36(3), 589-597.##
Gasser, T. C., M. Auer, F. Labruto, J. Swedenborg and J. Roy (2010). Biomechanical Rupture Risk Assessment of Abdominal Aortic Aneurysms: Model Complexity versus Predictability of Finite Element Simulations. European Journal of Vascular and Endovascular Surgery 40(2), 176-185.##
Gasser, T. C., G. Görgülü, M. Folkesson and J. Swedenborg (2008). Failure properties of intraluminal thrombus in abdominal aortic aneurysm under static and pulsating mechanical loads. Journal of Vascular Surgery 48(1), 179-188.##
Grootenboer, N., J. L. Bosch, J. M. Hendriks, M. R. H. M. van Sambeek (2009). Epidemiology, Aetiology, Risk of Rupture and Treatment of Abdominal Aortic Aneurysms: Does Sex Matter? European Journal of Vascular and Endovascular Surgery 38(3), 278-284.##
Hinnen, J. W., O. H. J. Koning, M. J. T. Visser and H. J. Van Bockel (2005). Effect of intraluminal thrombus on pressure transmission in the abdominal aortic aneurysm. Journal of Vascular Surgery 42(6), 1176-1182.##
Holzapfel, G. A., T. C. Gasser and R. W. Ogden (2000). A New Constitutive Framework for Arterial Wall Mechanics and a Comparative Study of Material Models. Journal of elasticity and the physical science of solids 61(1), 1-48.##
Humphrey, J. D. and G. A. Holzapfel (2012). Mechanics, mechanobiology, and modeling of human abdominal aorta and aneurysms. Journal of Biomechanics 45(5), 805-814.##
Kleinstreuer, C. and Z. Li (2006). Analysis and computer program for rupture-risk prediction of abdominal aortic aneurysms. BioMedical Engineering OnLine 5(1), 19.##
Lederle , F. A., S. E. Wilson, G. R. Johnson, D. B. Reinke, F. N. Littooy, C. W. Acher, D. J. Ballard, L. M. Messina, I. L. Gordon, E. P. Chute, W. C. Krupski, S. J. Busuttil, G. W. Barone, S. Sparks, L. M. Graham, J. H. Rapp, M. S. Makaroun, G. L. Moneta, R. A. Cambria, R. G. Makhoul, D. Eton, H. J. Ansel, J. A. Freischlag and D. Bandyk (2002). Immediate Repair Compared with Surveillance of Small Abdominal Aortic Aneurysms. New England Journal of Medicine 346(19), 1437-1444.##
Li, Z. and C. Kleinstreuer (2006). Effects of blood flow and vessel geometry on wall stress and rupture risk of abdominal aortic aneurysms. Journal of Medical Engineering & Technology 30(5), 283-297.##
Lu, J., X. Zhou and M. L. Raghavan (2007). Inverse elastostatic stress analysis in pre-deformed biological structures: Demonstration using abdominal aortic aneurysms. Journal of Biomechanics 40(3), 693-696.##
Maier, A., M. W. Gee, C. Reeps, J. Pongratz, H. H. Eckstein and W. A. Wall (2010). A Comparison of Diameter, Wall Stress, and Rupture Potential Index for Abdominal Aortic Aneurysm Rupture Risk Prediction. Annals of Biomedical Engineering 38(10), 3124-3134.##
Mills, C. J., I. T. Gabe, J. H. Gault, D. T. Mason, J. J. Ross, E. Braunwald and J. P. Shillingford (1970). Pressure-flow relationships and vascular impedance in man. Cardiovascular Research 4(4), 405-417.##
Olufsen, M. S., C. S. Peskin, W. Y. Kim, E. M. Pedersen, A. Nadim and J. Larsen (2000). Numerical Simulation and Experimental Validation of Blood Flow in Arteries with Structured-Tree Outflow Conditions. Annals of Biomedical Engineering 28(11), 1281-1299.##
Papaharilaou, Y., J. A. Ekaterinaris, E. Manousaki and A. N. Katsamouris (2007). A decoupled fluid structure approach for estimating wall stress in abdominal aortic aneurysms. Journal of Biomechanics 40(2), 367-377.##
Perktold, K., R. O. Peter, M. Resch and G. Langs (1991). Pulsatile non-newtonian blood flow in three-dimensional carotid bifurcation models: a numerical study of flow phenomena under different bifurcation angles. Journal of Biomedical Engineering 13(6), 507-515.##
Polzer, S., T. Christian Gasser, J. Bursa, R. Staffa, R. Vlachovsky, V. Man and P. Skacel (2013). Importance of material model in wall stress prediction in abdominal aortic aneurysms. Medical Engineering and Physics 35(9), 1282-1289.##
Raghavan, M. L. and D. A. Vorp (2000). Toward a biomechanical tool to evaluate rupture potential of abdominal aortic aneurysm: identification of a finite strain constitutive model and evaluation of its applicability. Journal of Biomechanics 33(4), 475-482.##
Raghavan, M. L., D. A. Vorp, M. P. Federle, M. S. Makaroun and M. W. Webster (2000). Wall stress distribution on three-dimensionally reconstructed models of human abdominal aortic aneurysm. Journal of Vascular Surgery 31(4), 760-769.##
Raut, S. S., A. Jana, V. De Oliveira, S. C. Muluk and E. A. Finol (2013). The Importance of Patient-Specific Regionally Varying Wall Thickness in Abdominal Aortic Aneurysm Biomechanics. Journal of Biomechanical Engineering 135(8), 081010-081010-081010.##
Rissland, P., Y. Alemu, S. Einav, J. Ricotta and D. Bluestein (2008). Abdominal Aortic Aneurysm Risk of Rupture: Patient-Specific FSI Simulations Using Anisotropic Model. Journal of Biomechanical Engineering 131(3), 031001-031001-0310 10.##
Rodríguez, J. F., C. Ruiz, M. Doblaré and G. A. Holzapfel (2008). Mechanical Stresses in Abdominal Aortic Aneurysms: Influence of Diameter, Asymmetry, and Material Anisotropy. Journal of Biomechanical Engineering 130(2), 021023-021023-021010.##
Sacks, M. S., D. A. Vorp, M. L. Raghavan, M. P. Federle and M. W. Webster (1999). In Vivo Three-Dimensional Surface Geometry of Abdominal Aortic Aneurysms. Annals of Biomedical Engineering 27(4), 469-479.##
Scotti, C. M. and E. A. Finol (2007). Compliant biomechanics of abdominal aortic aneurysms: A fluid–structure interaction study. Computers & Structures 85(11–14), 1097-1113.##
Scotti, C. M., J. Jimenez, S. C. Muluk and E. A. Finol (2008). Wall stress and flow dynamics in abdominal aortic aneurysms: finite element analysis vs. fluid–structure interaction. Computer Methods in Biomechanics and Biomedical Engineering 11(3), 301-322.##
Scotti, C. M., A. D. Shkolnik, S. C. Muluk and E. A. Finol (2005). Fluid-structure interaction in abdominal aortic aneurysms: effects of asymmetry and wall thickness. BioMedical Engineering OnLine 4(1), 64.##
Speelman, L., A. Bohra, E. M. H. Bosboom, G. W. H. Schurink, F. N. van de Vosse, M. S. Makaroun and D. A. Vorp (2006). Effects of Wall Calcifications in Patient-Specific Wall Stress Analyses of Abdominal Aortic Aneurysms. Journal of Biomechanical Engineering 129(1), 105-109.##
Truijers, M., J. A. Pol, L. J. SchultzeKool, S. M. van Sterkenburg, M. F. Fillinger and J. D. Blankensteijn (2007). Wall Stress Analysis in Small Asymptomatic, Symptomatic and Ruptured Abdominal Aortic Aneurysms. European Journal of Vascular and Endovascular Surgery 33(4), 401-407.##
Vande Geest, J. P., M. S. Sacks and D. A. Vorp (2006). A planar biaxial constitutive relation for the luminal layer of intra-luminal thrombus in abdominal aortic aneurysms. Journal of Biomechanics 39(13), 2347-2354.##
Venkatasubramaniam, A. K., M. J. Fagan, T. Mehta, K. J. Mylankal, B. Ray, G. Kuhan, I. C. Chetter and P. T. McCollum (2004). A Comparative Study of Aortic Wall Stress Using Finite Element Analysis for Ruptured and Non-ruptured Abdominal Aortic Aneurysms. European Journal of Vascular and Endovascular Surgery 28(2), 168-176.##
Vito, R. P. and J. Hickey (1980). The mechanical properties of soft tissues—II: The elastic response of arterial segments. Journal of Biomechanics 13(11), 951-957.##
Vorp, D. A. (2007). Biomechanics of abdominal aortic aneurysm. Journal of Biomechanics 40(9), 1887-1902.##
Vorp, D. A., M. L. Raghavan and M. W. Webster (1998). Mechanical wall stress in abdominal aortic aneurysm: Influence of diameter and asymmetry. Journal of Vascular Surgery 27(4), 632-639.##
Wassef, M., G. R. Upchurch Jr, H. Kuivaniemi, R. W. Thompson and M. D.Tilson Iii (2007). Challenges and opportunities in abdominal aortic aneurysm research. Journal of Vascular Surgery 45(1), 192-198.##
Wolters, B. J.B. M., M. C. M. Rutten, G. W. H. Schurink, U. Kose, J. de Hart and F. N. van de Vosse (2005). A patient-specific computational model of fluid–structure interaction in abdominal aortic aneurysms. Medical Engineering and Physics 27(10), 871-883.##
Xenos, M., N. Labropoulos, S. Rambhia, Y. Alemu, S. Einav, A. Tassiopoulos, N. Sakalihasan and D. Bluestein (2015). Progression of Abdominal Aortic Aneurysm Towards Rupture: Refining Clinical Risk Assessment Using a Fully Coupled Fluid–Structure Interaction Method. Annals of Biomedical Engineering 43(1), 139-153.##
Xenos, M., S. H. Rambhia, Y. Alemu, S. Einav, N. Labropoulos, A. Tassiopoulos, J. J. Ricotta and D. Bluestein (2010). Patient-Based Abdominal Aortic Aneurysm Rupture Risk Prediction with Fluid Structure Interaction Modeling. Annals of Biomedical Engineering 38(11), 3323-3337.##
]Heat and Mass Transfer Enhancement in Absorption of Vapor in Laminar Liquid Film by Adding Nano-Particles22In this paper, a numerical study was performed. The effect of nanoparticles on the absorption of vapor into a liquid film of lithium bromide aqueous solution flowing down over a cooled vertical channel is examined. The present model uses the numerical finite volume method to solve the parabolic governing equations for two-dimensional and laminar flow. In this model, the cooling water flows countercurrent to a solution of concentrated lithium bromide mixed with the nanoparticles. The water vapor is then absorbed at the interface of the absorbent film and diffused into the binary nanofluid (water-LiBr+nanoparticles). The numerical results indicate that the mass and heat transfer in binary nanofluids are enhanced more than that in base fluid and the highest absorption mass flux is observed by adding argent (Ag) nanoparticles. The results of the effects of operating conditions show that the effectiveness of the nanofluid becomes higher than that with the base fluid when the Reynolds number and inlet concentration are lower and when the inlet temperature solution and inlet pressure are higher.17111720S.ArmouLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, MoroccoLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, Moroccopayssara.armou@gmail.comR.MirLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, MoroccoLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, Moroccopaysrachid.mir1968@gmail.comY.El HammamiLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, MoroccoLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, Moroccopaysy.elhammami@gmail.comK.Zine-DineLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, MoroccoLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, Moroccopayszinedinekaouthar@gmail.comM.El HattabLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, MoroccoLaboratory of Mechanics, Processes, Energy and Environment, National School of Applied Sciences ENSA, B.P 1136, Agadir, Moroccopaysmohamed.elhattab@edu.uiz.ac.maHeat transfer Mass transfer Enhancement Absorption process Falling film Water-Lithium bromide Nanoparticles Numerical simulation.[Ameel, T. (1992). Heat and mass transfer in laminar wavy film absorption with the presence of low concentration of non-absorbable gases. Ph.D thesis, dissertation, Arizona State Univ., Tempe, AZ.##
Armou, S., R. Mir, Y. El hammami, S. El hamdani and K. Zine-Dine (2016). Numerical study of simultaneous heat and mass transfer in absorption of vapor in laminar liquid film. International Journal of Enhanced Research in Science, Technology and Engineering. 5(4), 36-47.##
Bock, C. P. and I. C. Young (1998). Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxyde particles. Experimental Heat Transfer. 11, 151-170.##
Brinkman, H. C. (1952). The viscosity of concentrated suspensions and solutions. J. Chem. Phys. 20, 571-581.##
Fu Lin, S. J. and Z. Shigang (2011). Experimental study on vertical vapor absorption into LiBr solution with and without additive. Applied Thermal Engineering.31, 2850-2854.##
Habib, H. M. and B. D. Wood (2001). Simultaneous heat and mass transfer in film absorption with the presence of non-absorbable gases. Journal of Heat Transfer.123, 984-989.##
Kang, Y. T., A. Akisawa and T. Y. Kashiwagi (2000). Analytical investigation of two different absorption modes: falling film and bubble types. International Journal of Refrigeration. 23, 430-443.##
Kim, J. K., J. Y. Jung and Y. T. Kang (2006). The effect of nano-particles on the bubble absorption performance in a binary nanofluid. International Journal of Refrigeration. 29, 22-29.##
Maxwell-Garnett, J. C. (1904). Colours in metal glasses and in metallic films. Philos. Trans. R. Soc. Ser. A. 20(3), 385-420.##
McNeely, L. A. (1979). Thermodynamic properties of aqueous solutions of lithium bromide. ASHRAE Trans. 85, 413-434.##
Nusselt, W. D. (1916). Oberflachenkondensation des wasserdampfes. ZeitschrVer Deutsch. 60, 541-546.##
Oronel, C., C. Amaris, M. Bourouis and M. Vallès (2013). Heat and mass transfer in a bubble plate absorber with NH3/LiNO3 and NH3/(LiNO3-H2O) mixtures. International Journal of Thermal Sciences. 63, 105-114.##
Pang, C., W. Wu, W. Sheng, H. Zhang and Y. T. Kang (2012). Mass transfer enhancement by binary nanofluids (NH3/H2O+Ag nanoparticles) for bubble absorption process. International Journal of Refrigeration. 35, 2240-2247.##
Patankar, S. V. (1980). Numerical heat transfer and fluid flow. Hemisphere Publishing Corporation.##
Patnaik, V., H. Perez-Blanco and W.A. Ryan (1993). A simple analytical model for the design of vertical tube absorbers. ASHRAE Trans. 99(2), 69-80.##
Tharves Mohideen, S. and S. Renganarayanan (2008). Experimental studies on heat and mass transfer performance of a coiled tube absorber for R134a-DMAC based absorption cooling system. Heat Mass Transfer. 45, 47-54.##
Xiaofeng, N., D. Kai and D. Shunxiang (2007). Numerical analysis of falling film absorption with ammonia-water in magnetic field. Applied Thermal Engineering. 27, 2059-2065.##
Xuan, Y. and W. Roetzel (2000). Conceptions for heat transfer correlation of nanofluids. International Journal of Heat and Mass Transfer. 43(19), 3701-3707.##
Yang, R. (1987). Heat and mass transfer in laminar wavy film absorption with the presence of non-absorbable gases. Ph.D thesis, dissertation, Arizona State Univ., Tempe, AZ.##
Yang, R. and J. H. Chen (1991). A numerical study of the non-absorbable effects on the falling liquid film absorption. Warme-und Stoffubertragung. 26, 219-223.##
Yoon, J., T. Phan, C. Moon and P. Bansal (2005). Numerical study on heat and mass transfer characteristic of plate absorber. Applied Thermal Engineering. 25, 2219-2235.##
]Tangential Flow Analysis of Giesekus Model in Concentric Annulus with Both Cylinders Rotation22Giesekus viscoelastic fluid is solved analytically for purely tangential flow in a concentric annulus at laminar and steady state conditions. Flow is created by a relative rotational motion between the cylinders. The analytical expressions for yield dimensionless velocity profile, pressure distribution, (f and Re are Fanning friction factor and Reynolds number) and material functions (viscosity, first and second normal stress difference coefficients) are obtained in cylindrical coordinates. Results show that difference between the values of lower as well as upper critical limits of the velocity ratio (where the minimum velocity happens) with their corresponding Newtonian values increase when mobility factor and Deborah number increase. The results also show that viscometric functions decrease by increasing elasticity because the viscoelastic fluid shows the shear thinning behavior which is strengthened by increasing elasticity. It is found that, for all values, profiles are symmetrical around ( and k are velocity ratio and radius ratio) because no relative motion exists.17211728M.JouyandehDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, IranDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, Iranpaysjouyandeh@aut.ac.irM.Moayed MohseniDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, IranDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, Iranpaysmmm8037@yahoo.comF.RashidiDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, IranDepartment of Chemical Engineering, Amirkabir University of Technology, P.O. Box: 15875-4413, No. 472, Hafez Ave., Tehran, Iranpaysrashidi@aut.ac.irGiesekus model Deborah number Elasticity Velocity ratio Material functions.[Batra, R. L. and B. Das (1992). Flow of Casson fluid between two rotating cylinder. Fluid Dynamics Research 7(1-3), 133–141.##
Beris, A. N., R. C. Armstrong and R. A. Brown (1983). Perturbation theory for viscoelastic fluids between eccentric rotating cylinders. Journal of Non-Newtonian Fluid Mechanics 13(2), 109–143.##
Beris, A. N., R. C. Armstrong and R. A. Brown (1987). Spectral/finite-element calculations of the flow of a Maxwell fluid between eccentric rotating cylinders. Journal of Non-Newtonian Fluid Mechanics 22(2), 129-167.##
Bird, R. B., R. C. Armstorng, O. Hassager (1987). Dynamics of polymeric liquids, second ed. Fluid Dynamics, vol. 1, John Wiley, New York, USA.##
Cruz, D. O. A. and F. T. Pinho (2004). Skewed Poiseuille–Couette low of SPTT fluids in concentric annuli and channels. Journal of Non-Newtonian Fluid Mechanics 121(1), 1–14.##
Escudier, M. P., P. J. Oliveira and F. T. Pinho (2002). Fully developed laminar flow of purely viscous non-Newtonian liquids through annuli including the effects of eccentricity and inner cylinder rotation. International Journal of Heat and Fluid Flow 23(1), 52–73.##
Germann, N., M. Dressler and E. J. Windhab (2011). Numerical solution of an extended White–Metzner model for eccentric Taylor–Couette flow. Journal of Computational Physics 230(21), 7853–7866.##
Giesekus, H. (1982). A simple constitutive equation for polymer fluids based on the concept of deformation-dependent tonsorial mobility. Journal of Non-Newtonian Fluid Mechanics 11, 69–109.##
Giesekus, H. (1983). Stressing behavior in simple shear flow as predicted by a new consecutive model for polymer fluids. Journal of Non- Newtonian Fluid Mechanics 12, 367–374.##
Huang, X. and N. Phan-Thien (1996). Viscoelastic flow between eccentric rotating cylinders: unstructured control volume method. Journal of Non-Newtonian Fluid Mechanics 64(1), 71-92.##
Jouyandeh, M., M. Moayed Mohseni and F. Rashidi (2014). Forced Convection Heat Transfer of Giesekus Viscoelastic Fluid in Concentric Annulus with both Cylinders Rotation. Journal of Petroleum Science and Technology 4(2), 1–9.##
Mahmud, S. and R. A. Fraser (2003). Analysis of entropy generation inside cylindrical annuli with relative rotation. International Journal of Thermal Science 42(5), 513–521.##
Maron, D. M. and S. Cohen (1991). Hydrodynamics and heat/mass transfer near rotating surfaces. Advances in Heat Transfer 21, 141–183.##
Mirzazadeh, M., F. Rashidi and S. H. Hashemabadi (2005). Purely tangential flow of a PTT-viscoelastic fluid within a concentric annulus. Journal of Non-Newtonian Fluid Mechanics 129(2), 88–97.##
Moayed Mohseni, M. and F. Rashidi (2010). Viscoelastic fluid behavior in annulus using Giesekus model. Journal of Non-Newtonian Fluid Mechanics 165(21-22), 1550–1553.##
Mohseni, M., Rashidi, F. (2015). Axial annular flow of a Giesekus fluid with wall slip above the critical shear stress. Journal of Non-Newtonian Fluid Mechanics 223, 20–27##
Rao, I. J. (1999). Flow of a Johnson–Segalman fluid between rotating coaxial cylinders with and without suction. International Journal of Non-Linear Mechanics 34(1), 63–70.##
Schleiniger, G. and R. Weinacht (1991). Steady Poiseuille flows for a Giesekus fluid. Journal of Non-Newtonian Fluid Mechanics 40(1), 79–102.##
Takht Ravanchi, M., M. Mirzazadeh and F. Rashidi (2007). Flow of Giesekus viscoelastic fluid in a concentric annulus with inner cylinder rotation. International Journal of Heat and Fluid Flow 28(4), 838–845. ##
]Study of Snow Accumulation on a High-Speed Train’s Bogies Based on the Discrete Phase Model22During winters, the high-speed train travels in the northern of China is struck by to the snow, ice and coldness, massive snow accumulating on the bogies. To understand the cause of snow packing on the high-speed train’s bogies clearly, the 3-D unsteady Reynolds-averaged Navier-Stokes equations with a RNG double-equations turbulence model and a DPM discrete phase model were used to investigate the flow field carried snow particles in a single high-speed train bogie region and monitor the movement of snow particles. And, the numerical simulation was verified by the wind tunnel test. The results show that when air flows into the region, the airflow will rise and impact on the wheels, brakes, electromotors and other parts of bogie regions. The snow particles will follow the air, while the air direction changes sharply the particles will keep the movement due to the inertia. Afterwards, the snow packs on the bogie. In front of the bogies the streamlines of the air and the particle path lines are basically the same. However, due to the inertia of mass particles, the following characteristics of the snow particles with the air are not obvious in the bogie leeward side. Different structures of the end plates will affect the snow accumulation in the bogie regions.17291745F.XieKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapays18773155082@163.comJ.ZhangKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapaysjie_csu@csu.edu.cnG.GaoKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapaysgjgao@csu.edu.cnK.HeKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapays405316005@qq.comY.ZhangKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapays1062426943@qq.comJ.WangKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapayswangjiabin@csu.edu.cnY.ZhangKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, ChinaKey Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, Hunan 410075, Chinapaysyanizhang@csu.edu.cnBogie Discrete phase Snow accumulation Flow characteristics.[Bettez, M. and et al. (2011). Winter technologies for high speed rail. Norwegian University of Science and Technology, Trondheim, Norway.##
Beyers, J. H. M., P. A. Sundsbø and T. M. Harms (2004). Numerical simulation of three-dimensional, transient snow drifting around a cube. Journal of Wind Engineering and Industrial Aerodynamics 92(9):725-747.##
Beyers, M. and B. Waechter (2008). Modeling transient snowdrift development around complex three-dimensional structures. Journal of Wind Engineering and Industrial Aerodynamics 96(10), 1603-1615.##
Cao, Y., J. Huang and Y. Jun (2016). Numerical simulation of three-dimensional ice accretion on an aircraft wing. International Journal of Heat and Mass Transfer 92,34-54.##
CEN European Standard, (2009). Railway Applications- Aerodynamics. Part 4: Requirements and Test Procedures for Aerodynamics on Open Track. CEN EN 14067-4.##
Fluent Inc. FLUENT User’s Guide, 2014.##
Fujii, T. and K. Kawashima (2002). Preventive Measures against Snow for High-Speed Train Operation in Japan. International Conference on Cold Regions Engineering, Alaska, United States, 448-459.##
Gordon, M., S. Savelyev and P. A. Taylor (2009). Measurements of blowing snow, Part II: Mass and number density profiles and saltation height at Franklin Bay, NWT, Canada. Cold Regions Science and Technology 55(1), 75-85.##
Gordon, M., S. Savelyev and P. A. Taylor (2009). Measurements of blowing snow, Part I: Particle shape, size distribution, velocity, and number flux at Churchill, Manitoba, Canada. Cold Regions Science and Technology 55(1), 63-74.##
Jemt, T. and et al. (2009). De-icing solution. International Railway Journal 49(1):24-25.##
Kloow, L. and et al. (2006, February). High-speed train operation in winter climate. Transrail Publication BVF 5(2).##
Lo, S. and et al. (2010). Computational Techniques for Multi-Phase Flows. Chemical Engineering 117(7), 8-9.##
Mo, M. and et al. (2011). Numerical simulation and experimental study on snow distribution on typical roofs. Harbin Technical University, Harbin, China.##
Ni, J. and Z. Li (2006). Wind blowing sand two-phase flow theory and its application. Beijing Science Press, Beijing, China.##
Paulukuhn, L and X. Wu (2012). The Low Temperatures Technology Concepts and Operational Experience in Russian High Speed Train Velaro RUS. Foreign Rolling Stock 49(3), 16-19.##
Sang, J. and et al. (2012). Numerical simulation of blowing snow with mixed diameter. Lanzhou University, Lanzhou, China.##
Sato, T., K. Kosugi, S. Mochizuki and M. Nemoto (2008). Wind speed dependences of fracture and accumulation of snowflakes on snow surface. Cold Regions Science and Technology 51(2):229-239.##
Serine, A., M. Shimura, A. Maruoka and H. Hirano (1999). The numerical simulation of snowdrift around a building. International Journal of Computational Fluid Dynamics 12(3-4):249-255.##
Tominaga, Y., A. Mochida and T. Okaze (2011a). Development of a system for predicting snow distribution in built-up environments: Combining a mesoscale meteorological model and a CFD model. Journal of Wind Engineering and Industrial Aerodynamics 99(4), 460-468.##
Tominaga, Y., T. Okaze and A. Mochida (2011b). CFD modeling of snowdrift around a building: An overview of models and evaluation of a new approach. Building and environment 46(4), 899-910.##
Wang, F. and et al. (2004). Dynamic analysis of computation fluent: Theory and its application of CFD software. Tsinghua University Press, Beijing, China.##
Wang, W., H. Liao and M. Li (2014). Lagrange stochastic model to simulate snow distribution in roofs. Chinese Journal of Applied Mechanics 31(3), 428-434.##
Zhou, X. and X. Li (2010). Simulation of Snow Drifting on Roof Surface of Terminal Building of an Airport. Disaster Advances 3(1), 42-50.##
]Measurement and Investigation on the Jet Interface Structure22The well understanding of interface structure of liquid jet is the basis of the research of primary breakup. In this paper, the interface structure of liquid jet is captured by using a high-speed photography. The key parameters of interface structure, streamwise wavelength, spanwise wavelength and generation position, are measured based on a power spectral method. The results show that jet interface is featured by a group of periodic structures in the region near the nozzle exit. The position where periodic structure generated fluctuates in a certain region with the variation of time and spanwise position. The spanwise wavelength of these periodic structures is the function of nozzle diameter and the wavelength increase ratio of transition region. Along the streamwise direction, the streamwise wavelengths of these structures increase with a small ratio. With the Weber number increase, the streamwise wavelength is significantly decreased while the spanwise wavelength has no remarkable change. A Reynolds number that defined with streamwise distance, jet velocity and viscosity is proposed to estimate the onset of interface structure, and Reynolds number is equal to 42000 in this paper.17471758C.GongSchool of Energy and Power Engineering, Jiangsu University 1, Zhenjiang, Jiangsu, 212013, ChinaSchool of Energy and Power Engineering, Jiangsu University 1, Zhenjiang, Jiangsu, 212013, Chinapayschengong@ujs.edu.cnM. G.YangSchool of Energy and Power Engineering, Jiangsu University 1, Zhenjiang, Jiangsu, 212013, ChinaSchool of Energy and Power Engineering, Jiangsu University 1, Zhenjiang, Jiangsu, 212013, Chinapaysmgyang@mail.ujs.edu.cnW. D.JiaKey Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University 2, Zhenjiang, Jiangsu, 212013, ChinaKey Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University 2, Zhenjiang, Jiangsu, 212013, Chinapaysjiaweidong@ujs.edu.cnLiquid jet Interface structure Wavelength Transition position.[Behzad, M., N. A. Shgrizb and B. W. Karney (2016). Surface breakup of a non-turbulent liquid jet injected into a high pressure gaseous crossflow, International Journal of Multiphase Flow 80, 100–117.##
Bian, S., S. L. Ceccio and J. F. Driscoll (2010). A dual-camera cinematographic PIV measurement system at kilohertz frame rate for high-speed unsteady flows. Experiments in Fluids 48, 487–495.##
Brennen, C. (1970). Cavity surface wave patterns and general appearance, Journal of Fluid Mechanics 44(1), 33.##
Charalampous, G., C. Hadjiyiannis and Y. Hardalupas (2016). Comparative measurement of the breakup length of liquid jets in airblast atomisers using optical connectivity, electrical connectivity and shadowgraphy. Measurement 89, 288–299. ##
Cousin, J., A. Berlemont, T. Ménard and S. Grout (2012). Primary breakup simulation of a liquid jet discharged by a low-pressure compound nozzle, Computers and Fluids 63, 165–173.##
Desjardins, O., J. O. McCaslin, M. Owkes and P. Brady (2013). Direct numerical and large-eddy simulation of primary atomization in complex geometries, Atomization and Sprays 23(11), 1001–1048.##
Dumouchel, C., J. B. Blaisot, E. Bouche and et al. (2015). Multi-scale analysis of atomizing liquid ligaments. International Journal of Multiphase Flow 73, 251–263.##
Eggers, J. and E. Villermaux (2008). Physics of liquid jets. Reports on Progress in Physics 71, 036601.##
Faeth, G. M. and L. P. Hsiang (1995). Structure and breakup properties of sprays. International Journal of Multiphase Flow 21, 99–127.##
Ghiji, M., L. Goldsworthy and P. A. Brandner (2016). Numerical and experimental investigation of early stage diesel sprays. Fuel 175, 274–286.##
Goldstein, S. (1933). Proceedings of the Royal Society of London, Series A 142, 545.##
Gorokhovski, M. and M. Herrmann (2008). Modeling primary atomization. Annual Review of Fluid Mechanics 40, 343–366.##
Hori, T. and J. Sakakibara (2004). High-speed scanning stereoscopic PIV for 3D vorticity measurement in liquids. Measurement Science and Technology 15, 1067–1078.##
Hoyt, J. W. and J. J. Taylor (1977a). Waves on water jets. Journal of Fluid Mechanics 83, 119–127.##
Hoyt, J. W. and J. J. Taylor (1977b). Turbulence structure in a water jet discharging in air. Physics of Fluids 20(10), 253–257. ##
Joseph, D. D., J. Belanger and G. S. Beavers (1999). Breakup of a liquid drop suddenly exposed to a high-speed airstream by. International Journal of Multiphase Flow 25(6-7), 1263–1303.##
Julien D., V. Stéphane and E. Arnaud (2011). Numerical investigations in Rayleigh breakup of round liquid jets with VOF methods. Computers and Fluids 50, 10–23.##
Koch, W. (1985). Local instability characteristics and frequency determination of self-excited wake flows, Journal of Sound and Vibration 99(1), 53.##
Landahl, M. T. (1972). wave mechanics of breakdown, Journal of Fluid Mechanics 56(4), 775.##
Lasheras, J. C. and E. J. Hopfinger (2000). Liquid jet instability and atomization in a coaxial gas stream. Annual Review of Fluid Mechanics. 32, 275–308.##
Lefebvre, A. (1998). Atomization and sprays, New York: Taylor and Francis.##
Marmottant, P. and E. Villermaux (2004). On spray formation. Journal of Fluid Mechanics 498, 73–111.##
Mayer, W. O. H. and R. Branam (2004). Atomization characteristics on the surface of a round liquid jet. Experiments in Fluids 36, 528–539.##
McCarthy, M. J. and N. A. Molloy (1974). Review of stability of liquid jets and the influence of nozzle design. Chemical Engineering Journal 7, 1–20.##
Mehravaran, K. (2013). Direct Simulations of Primary Atomization in Moderate-Speed Diesel Fuel Injection, International Journal of Materials, Mechanics and Manufacturing 1(2), 207-209.##
Meier, G. E. A., A. Kliipper and G. Grabitz (1992). The influence of kinematic waves on jet break down. Experiments in Fluids 12, 173-180.##
Mulgrew, B., (2002). Digital signal processing—concepts and applications 2nd editio., Palgrave Macmillan.##
Osta, A. R., J. Lee, K. A. Sallam and et al. (2012). Study of the effects of the injector length/diameter ratio on the surface properties of turbulent liquid jets in still air using X-ray imaging. International Journal of Multiphase Flow 38, 87–98.##
Park, H. and S. D. Heister (2006). A numerical study of primary instability on viscous high-speed jets. Computers and Fluids 35(10), 1033–1045.##
Pohlhausen, K. (1921). Zur näherungsweisen Integration der Differentialgleichung der Iaminaren Grenzschicht, ZAMM 1(4), 252.##
Reddemann, M. A., F. Mathieu and R. Kneer (2013). Transmitted light microscopy for visualizing the turbulent primary breakup of a microscale liquid jet. Experiment in Fluids 54, 1607-1616.##
Sallam, K. A., Z. Dai and G. M. Faeth (1999). Drop formation at the surface of plane turbulent liquid jets in still gases. International Journal of Multiphase Flow 25(6), 1161–1180.##
Sallam, K. A., Z. Dai and G. M. Faeth (2002). Liquid breakup at the surface of turbulent round liquid jets in still gases. International Journal of Multiphase Flow 28(3), 427–449.##
Sato, H. and K. Kuriki (1961). The mechanism of transition in the wake of a thin flat plate placed parallel to a uniform flow, Journal of Fluid Mechanics 11(3), 321.##
Schlichting, H. (1979). Boundary-Layer Theory., 7th ed., McGraw Hill, New York, U.S.A.##
Syuto, T. and et al. (2010). Flow visualization and scanning PIV measurement of three-dimensional structure in near field of strongly buoyant jet. Journal of Visualization 13, 203–211.##
Tian, X. S., H. Zhao, H. F. Liu and et al. (2015). Three-dimensional large eddy simulation of round liquid jet primary breakup in coaxial gas flow using the VOF method. Fuel Processing Technology 131, 396–402.##
Tryggvason, W. S. (2000). Fluid dynamics and transport of droplets and sprays 2nd ed., Cambridge University Press.##
Umemura, A. (2011). Self-destabilizing mechanism of a laminar inviscid liquid jet issuing from a circular nozzle. Physical Review E 83, 046307.##
Umemura, A. (2014). Model for the initiation of atomization in a high-speed laminar liquid jet. Journal of Fluid Mechanics 757, 665-700.##
Wu, P. K. and G. M. Faeth (1993). Aerodynamic effects on primary breakup of turbulent liquids. Atomization and Sprays 3(3), 265–289.##
Wu, P. K., R. F. Miranda and G. M. Faeth (1995). Effects of initial flow conditions on primary breakup of nonturbulent and turbulent round liquid jets. Atomization and Sprays 5(2), 175–196.##
Wu, P. K., L. K. Tseng and G. M. Faeth (1992). Primary breakup in gas/liquid mixing layers for turbulent liquids. Atomization and Sprays 2(3), 295–317.##
Xiao, F., M. Dianat and J. J. McGuirk (2014). LES of turbulent liquid jet primary breakup in turbulent coaxial air flow. International Journal of Multiphase Flow 60, 103–118.##
Xiao, F., Z. G. Wang and M. B. Sun (2016). Large eddy simulation of liquid jet primary breakup in supersonic air crossflow. International Journal of Multiphase Flow 87, 229–240.##
Yecko, P., S. Zaleski, and J. M. Fullana (2002). Viscous modes in two-phase mixing layers. Physics of Fluids 14, 4115–4122. ##
Yecko, S. and S. Zaleski (2005). Transient growth in two-phase mixing layers. Journal of Fluid Mechanics 528, 43–52.##
Yoon, S. S. and S. D. Heister (2004). A fully non-linear model for atomization of high-speed jets. Engineering Analysis with Boundary Elements 28(4), 345–357.##
Yoon, S. S. (2003). Categorizing linear theories for atomizing round jets. Atomization and Sprays Sprays 13(5-6), 499–516.##
Zhao, H., J. L. Xu, J. H. Wu and et al. (2015). Breakup morphology of annular liquid sheet with an inner round air stream. Chemical Engineering Science 137, 412–422.##
ZhaoH., H. F. Liu, X. S. Tian and et al. (2014). Outer ligament-mediated spray formation of annular liquid sheet by an inner round air stream. Experiment in Fluids 55, 1793-1805.##]Numerical Investigation of Forced Convection of Nanofluid Flow in Microchannels: Effect of Adding Micromixer22In the present study, forced convection of CuO–water nanofluid in a two dimensional parallel plate microchannel with and without micromixers has been investigated numerically. Two horizontal hot baffles were inserted between the adiabatic plates and three vertical baffles, which were attached on the plates, worked as micromixers in order to improve the cooling process. The effect of Reynolds number, Re = 10, 30, 60, 100, and 150 and nanoparticles volume fraction, from 0 to 4%, were examined on flow field and heat transfer. Different geometrical configurations for the arrangement of the hot baffles were tested. A FORTRAN code based on finite volume method was developed to solve the governing equations and SIMPLER algorithm was used for handling the pressure-velocity coupling. Simulations showed that the presence of micromixers and increasing the Reynolds number as well as nanoparticles volume fraction, increase the average Nusselt number. In order to achieve maximum heat transfer, best arrangements for the baffles were reported. It was also observed that the size of recirculation zones, which are created behind the micromixer baffles, increases with increasing Reynolds number and leads to better cooling.17591772A.AbabaeiDepartment of Mechanical Engineering, University of Kashan, Kashan, IranDepartment of Mechanical Engineering, University of Kashan, Kashan, Iranpaysahmad.ababaei@gmail.comA. A.Abbasian AraniDepartment of Mechanical Engineering, University of Kashan, Kashan, IranDepartment of Mechanical Engineering, University of Kashan, Kashan, Iranpaysabbasian@kashanu.ac.irA.AghaeiYoung Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, IranYoung Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iranpaysalirezaaghaei21@gmail.comForced convection Microchannel Micromixer arrangement Koo-Kleinstreuer nanofluid model.[Ababaei, A. and M. Abbaszadeh (2017). Second Law Analyses of Forced Convection of Low-Reynolds-Number Slip Flow of Nanofluid Inside a Microchannel with Square Impediments. Global Journal of Nanomedicine 1(4).##
Abbasian Arani, A. A., A. Ababaei, G. A. Sheikhzadeh and A. Aghaei (2017). Numerical simulation of double-diffusive mixed convection in an enclosure filled with nanofluid using Bejan’s heatlines and masslines. Alexandria Engineering Journal.##
Abbaszadeh, M., A. Ababaei, A. A. A. Arani and A. A. Sharifabadi (2017). MHD forced convection and entropy generation of CuO-water nanofluid in a microchannel considering slip velocity and temperature jump. Journal of the Brazilian Society of Mechanical Sciences and Engineering 39,775-790.##
Aghaei, A., H. Khorasanizadeh, G. Sheikhzadeh and M. Abbaszadeh (2016). Numerical study of magnetic field on mixed convection and entropy generation of nanofluid in a trapezoidal enclosure. Journal of Magnetism and Magnetic Materials 403, 133-145.##
Alam, A., and K. Y. Kim (2012). Analysis of mixing in a curved microchannel with rectangular grooves. Chemical Engineering Journal 181, 708-716.##
Alamyane, A. A. and A. A. Mohamad (2010). Simulation of forced convection in a channel with extended surfaces by the lattice Boltzmann method. Computers & Mathematics with Applications 59(7), 2421-2430.##
Aminossadati, S. M., A. Raisi and B. Ghasemi (2011). Effects of magnetic field on nanofluid forced convection in a partially heated microchannel. International Journal of Non-Linear Mechanics 46(10), 1373-1382.##
Barletta, A., E. Magyari and B. Keller (2005). Dual mixed convection flows in a vertical channel. International Journal of Heat and Mass Transfer 48(23), 4835-4845.##
Brinkman, H. C. (1952). The viscosity of concentrated suspensions and solutions. The Journal of Chemical Physics, 20(4), 571-571.##
Chung, C. K., C. Y. Wu, T. R.Shih, C. F. Wu and B. H. Wu (2006). Design and Simulation of a Novel Micro-mixer with Baffles and Side-wall Injection into the Main Channel. In 2006 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems 721-724 IEEE.##
Elpidorou, D., V. Prasad and V. Modi (1991). Convection in a vertical channel with a finite wall heat source. International journal of heat and mass transfer 34(2), 573-578.##
Fourcher, B. and K. Mansouri (1998). Theoretical study of periodic turbulent forced convection inside a parallel-plate channel. International journal of engineering science 36(4), 411-420.##
Ghasemi, B. and S. M. Aminossadati (2010). Mixed convection in a lid-driven triangular enclosure filled with nanofluids. International Communications in Heat and Mass Transfer 37(8), 1142-1148.##
Guimarães, P. M. and G. J. Menon (2008). Combined free and forced convection in an inclined channel with discrete heat sources. International Communications in Heat and Mass Transfer 35(10), 1267-1274.##
Hatay, F. F., W. Li, S. Kakaç and F. Mayinger (1991). Numerical and experimental analysis of unsteady laminar forced convection in channels. International communications in heat and mass transfer 18(4), 407-417.##
Hsieh, C. Y. and A. S. Yang (2009). Mixing enhancement of a passive micromixer by applying boundary protrusion structures. In Advanced Materials Research 74, 77-80. Trans Tech Publications.##
Hwang, T. H., Y. Cai and P. Cheng (1992). An experimental study of forced convection in a packed channel with asymmetric heating. International journal of heat and mass transfer 35(11), 3029-3039.##
Islami, S. B., B. Dastvareh and R. Gharraei (2013). Numerical study of hydrodynamic and heat transfer of nanofluid flow in microchannels containing micromixer. International Communications in Heat and Mass Transfer 43, 146-154.##
Jenn-Wuu, O., K. C. Cheng and L. Ran-Chau (1976). Combined free and forced laminar convection in inclined rectangular channels. International Journal of Heat and Mass Transfer 19(3), 277-283.##
Koo, J., and C. Kleinstreuer (2004). A new thermal conductivity model for nanofluids. Journal of Nanoparticle Research 6(6), 577-588.##
Kurtbas, I., and N. Celik (2009). Experimental investigation of forced and mixed convection heat transfer in a foam-filled horizontal rectangular channel. International Journal of Heat and Mass Transfer 52(5), 1313-1325.##
Li, J. (2008). Computational Analysis of Nanofluid Flow in Microchannels with Applications to Micro-heat Sinks and Bio-MEMS. ProQuest.##
Lomascolo, M., G. Colangelo, M. Milanese and A. Risi (2015). Review of heat transfer in nanofluids: conductive, convective and radiative experimental results. Renewable and Sustainable Energy Reviews 43, 1182-1198.##
Mahaney, H. V., F. P. Incropera and S. Ramadhyani (1990). Comparison of predicted and measured mixed convection heat transfer from an array of discrete sources in a horizontal rectangular channel. International Journal of Heat and Mass Transfer 33(6), 1233-1245.##
Mahian, O., S. Mahmud and I. Pop (2012). Analysis of first and second laws of thermodynamics between two isothermal cylinders with relative rotation in the presence of MHD flow. International Journal of Heat and Mass Transfer 55(17), 4808-4816.##
Maxwel-Garnett, J. C. (1904). Colours in metal glasses and in metal films. Philos. Trans. R. Soc. London 203, 385-420.##
Mollamahdi, M., M. Abbaszadeh and G. A. Sheikhzadeh (2016). Flow field and heat transfer in a channel with a permeable wall filled with Al2O3-Cu/water micropolar hybrid nanofluid, effects of chemical reaction and magnetic field. Journal of Heat and Mass Transfer Research (JHMTR).##
Nield, D. A. (2004). Forced convection in a parallel plate channel with asymmetric heating. International Journal of Heat and Mass Transfer 47(25), 5609-5612.##
Rahmati, A. R., A. R. Roknabadi and M. Abbaszadeh (2016). Numerical simulation of mixed convection heat transfer of nanofluid in a double lid-driven cavity using lattice Boltzmann method. Alexandria Engineering Journal.##
Raja, M., R. Vijayan, P. Dineshkumar and M. Venkatesan (2016). Review on nanofluids characterization, heat transfer characteristics and applications. Renewable and Sustainable Energy Reviews 64, 163-173.##
Sheikholeslami, M. and D. D. Ganji (2016). Nanofluid convective heat transfer using semi analytical and numerical approaches: A review. Journal of the Taiwan Institute of Chemical Engineers.##
Vanaki, S. M., P. Ganesan and H. A. Mohammed (2016). Numerical study of convective heat transfer of nanofluids: A review. Renewable and Sustainable Energy Reviews 54, 1212-1239.##
Vijayan, P. and C. Balaji (2004). Turbulent forced convection in a parallel plate channel with natural convection on the outside. International communications in heat and mass transfer 31(7), 1027-1036.##
Yao, L. S. (1983). Free and forced convection in the entry region of a heated vertical channel. International Journal of Heat and Mass Transfer 26(1), 65-72.##
]A Balloon Model Examination with Impulsion of Cu-Nanoparticles as Drug Agent through Stenosed Tapered Elastic Artery22In this speculative examination, main focused is to address Cu-nanoparticles application in an inclined stenosed elastic artery with balloon model examination. Flow of blood in an inclined stenotic artery is investigated mathematically by considering its behavior as viscous fluid. The dimensionless terms of temperature, velocity, resistance to blood flow and stress on wall of stenotic inclined artery has been computed by using mild stenosis approximation. The model is also used to understand the significance of overlapping stenosed artery with tapered angle and inclination angle. At the end, the results confirmed that the impulsion of copper as drug agent minimized the amplitude of the resistance to blood flow and hence nanoparticles plays an important role in engineering as well in biomedical applications.17731783S.IjazDepartment of Mathematics, Faculty of Sciences, HITEC University, Taxila, PakistanDepartment of Mathematics, Faculty of Sciences, HITEC University, Taxila, Pakistanpaysshaguftaijaz88@gmail.comS.NadeemDepartment of Mathematics, Quaid-i-Azam University, Islamabad, PakistanDepartment of Mathematics, Quaid-i-Azam University, Islamabad, Pakistanpayssnqau@hotmail.comBlood flow Overlapping stenosis Balloon model Cu-Nanoparticles.[Akbar, N. S. (2014). Metallic nanoparticles analysis for the peristaltic flow in an asymmetric channel with MHD. IEEE Transactions on Nanotechnology 13, 357-361.##
Akbarzadeh, M., S. Rashidi, M. Bovand and R. Ellahi (2016). A sensitivity analysis on thermal and pumping power for the flow of nanofluid inside a wavy channel. Journal of Molecular Liquids 220, 1-13.##
Buongiorno, J. (2005). Convective transport in nanofluids. Journal of Heat Transfer 128, 240-250.##
Chakraborty, U. S., D. Biswas and M. Paul (2011). Suspension model blood flow through an inclined tube with an axially non-symmetrical stenosis. Korea-Australia Rheology Journal 23, 25-32.##
Chakravarty, S. and P. K. Mandal (1996). A nonlinear two-dimensional model of blood flow in an overlapping arterial stenosis subjected to body acceleration. Mathematical and Computer Modelling 24, 43-58.##
Choi, S. U. S. (1995). Enhancing thermal conductivity of fluids with nanoparticles, In: Siginer DA, Wang HP (eds), Developments and applications of non-Newtonian flows. ASME 36, 99-105.##
Dash, R. K., G. K. Jayaraman and N. Mehta (1996). Estimation of increased flow resistance in a narrow catheterized artery: A theoretical model. Journal of Biomechanics 29, 917-930.##
Ellahi, R., S. U. Rahman and S. Nadeem (2014). Blood flow of Jeffrey fluid in a catherized tapered artery with the suspension of nanoparticles. Physics Letters A, 378, 2973-2980.##
Gentile, F., M. Ferrari and P. Decuzzi (2007). The Transport of Nanoparticles in Blood Vessels, The Effect of Vessel Permeability and Blood Rheology. Annals of Biomedical Engineering 36, 254-261.##
Ijaz, S. and S. Nadeem (2016). Examination of nanoparticles as a drug carrier on blood flow through catheterized composite stenosed artery with permeable walls. Computer Methods and Programs in Biomedicine 109, 401-412. ##
Ijaz, S. and S. Nadeem (2016). Slip examination on the wall of tapered stenosed artery with emerging application of nanoparticles. International Journal of Thermal Sciences 109, 401-412.##
Ismail, Z., I. Abdullah, N. Mustapha and N. Amin (2008). A power-law model of blood flow through a tapered overlapping stenosed artery. Applied Mathematics and Computation 95,669-680.##
Jiang, Y., C. Reynolds, C. Xiao, W. Feng, Z. Zhou, W. Rodriguez, S. C. J. Tyagi, W. Eaton, J. T. Saari and Y. J. Kang (2007). Dietary copper supplementation reverses hypertrophic cardiomyopathy induced by chronic pressure overload in mice. The Journal of Experimental Medicine 204, 657-666.##
Liu, B. and D. Tang (2000). A numerical simulation of viscous flows in collapsible tubes with stenosis. Applied Numerical Mathematics 32, 87-101.##
Mekheimer, Kh. S. and M. A. El Kot (2010). Suspension model for blood flow through arterial catheterization. Chemical Engineering Communications 197, 1195-1214.##
Mekheimer, Kh. S. and Y. A. Elmaboud (2008). The influence of heat transfers and magnetic field on peristaltic transport of a Newtonian fluid in a vertical annulus: Application of an endoscope. Physics Letters A, 372, 1657-1665.##
Mekheimer, Kh. S., F. A. Salama and M. A. El Kot (2015). The unsteady flow of a carreau fluid through inclined catheterized arteries have a balloon (angioplasty) with time-variant overlapping stenosis. Walailak Journal of Science and Technology 2015, 5-12.##
Mekheimer, Kh. S., H. H. Mohammed and M. A. El Kot (2008). Induced magnetic field influences on blood flow through an anisotropically tapered elastic artery with overlapping stenosis in an annulus. Canadian Journal of Physics 89, 201-212.##
Mekheimer, Kh. S., H. H. Mohammed and M. A. El Kot (2012). Influence of heat and chemical reactions on blood flow through an anisotropically tapered elastic artery with overlapping stenosis. Applied Mathematics & Information Sciences 2, 281-292.##
Mohan, V., V. Prashad and N. K. Varshney (2013). Effect of inclination of an stenosed artery on Casson fluid flow with periodic body acceleration. International Journal of Advanced Scientific and Technical Research 4, 365-371.##
Nadeem, S. and S. Ijaz (2015). Theoretical analysis of metallic nanoparticles on blood flow through tapered elastic artery with overlapping stenosis. Transaction on Nanobiosciences.##
Nadeem, S. and S. Ijaz (2015). Theoretical analysis of metallic nanoparticles on blood flow through stenosed artery with permeable walls. Physics Letters A 379, 542-554.##
Nadeem, S. and S. Ijaz (2016). Impulsion of nanoparticles as a drug carrier for the theoretical investigation of stenosed arteries with induced magnetic effects. Journal of Magnetism and Magnetic Materials 410, 230-241.##
Nadeem, S. and S. Ijaz (2016). Theoretical examination of nanoparticles as a drug carrier with slip effects on the wall of stenosed arteries. International journal of heat and mass transfer 93, 1137-1149.##
Prasad K. M. and G. Radhakrishnamacharya (2008). Flow of herschel-bulkley fluid through an inclined tube of non-uniform cross-section with a multiple stenosis. Arch Mechanical 60, 161-172.##
Sankar, D. S. and K. Hemalatha (2007). Pulsatile flow of Herschel-Bulkley fluid through catheterized arteries: A mathematical model. Applied Mathematical Modelling 31, 1497-1517.##
Srivastava, V. P. and R. Srivastava (2009). Particulate suspension blood flow through a narrow catheterized artery. Computers and Mathematics with Applications 58, 227-238.##
Texon, M. (1957). A hemodynamic concept of atherosclerosis with particular reference to coronary occlusion. Archives of Internal Medicine 99, 418-430.##
Vermaa, N., K. Mishra, S. S. U. Siddiqui and R. S. Gupta (2011). Study of blood flow through a catheterized artery. Advances in Applied Science Research 2 114-122.##
Young, F. D. and F. Y. Tsai (1973) Flow characteristics in model of arterial stenosis steady flow. Journal of Biomechanics 6, 395-410. ##
]Peristaltic Pumping of a Generalized Newtonian Fluid in an Elastic Tube22The paper investigates the peristaltic pumping of an incompressible non-Newtonian fluid in an elastic tube with long wavelengths and low Reynolds number approximations. Carreau fluid model is considered for present study to describe the peristaltic flow characteristics of non- Newtonian fluid in an elastic tube. Carreau fluid is a generalized Newtonian fluid which exhibits Newtonian behaviour for and it resembles as a power-law model at higher shear rates. For it exhibits shear-thinning property, i.e., the apparent viscosity reduces with increasing shear rate. The equations governing the fluid flow are solved with usual perturbation expansion by taking Weissenberg number as a perturbation parameter. The expressions for axial velocity, stream function and volume flow rate as function of pressure difference are derived. The effects of various pertinent parameters on variation of flux for a Carreau fluid flow through an elastic tube along with peristalsis are calculated and interpreted through graphs. The pressure rise per wavelength and shear stress distribution for different values of physical parameters are calculated and presented. Trapping phenomenon is presented graphically to understand the physical behaviour of various parameters. The difference in flux variation is examined by two different models of Rubinow and Keller (1972) and Mazumdar (1992). It is observed that in elastic tubes, the flux of Carreau fluid with peristalsis is more when the tension relation is a fifth degree polynomial as compared to exponential curve. When the power-law index or Weissenberg number and without peristalsis, the present results are similar to the observations of Rubinow and Keller (1972). Further, the relation between the function and radius of the elastic tube for both Newtonian, non-Newtonian cases are discussed graphically and these findings are identical with the investigations of Mazumdar (1992). The results observed for the present flow characteristics reports several interesting behaviours that warrant further study of physiological fluids in elastic tubes with peristalsis.17851798A. N. S.SrinivasDepartment of Mathematics, School of Advanced Sciences, VIT University, Vellore, 632014, Tamilnadu, IndiaDepartment of Mathematics, School of Advanced Sciences, VIT University, Vellore, 632014, Tamilnadu, Indiapaysanssrinivas@vit.ac.inC. K.SelviDepartment of Mathematics, School of Advanced Sciences, VIT University, Vellore, 632014, Tamilnadu, IndiaDepartment of Mathematics, School of Advanced Sciences, VIT University, Vellore, 632014, Tamilnadu, Indiapaysck.selvi@vit.ac.inS.SreenadhDepartment of Mathematics, Sri Venkateswara University, Tirupati, 517502, A.P., IndiaDepartment of Mathematics, Sri Venkateswara University, Tirupati, 517502, A.P., Indiapaysprofsreenadh@gmail.comPeristaltic flow Elastic tube Non-newtonian fluid Weissenberg number Power-law index.[Abd El, H. and A. E. M. El Misery (2002). Effects of an endoscope and generalized Newtonian fluid on peristaltic motion. Appl. Math. Comp. 128, 19-35.##
Abd El, H., A. E. M. El Misery and I. E. Shamy (2006). Hydrodynamic flow of generalized Newtonian fluid through a uniform tube with peristalsis. Appl. Math. Comp. 173, 856-871.##
Akbar, N. S. and S. Nadeem (2014). Carreau fluid model for blood flow through a tapered artery with a stenosis. Ain Shams Engineering Journal. 5, 1307-1316.##
Ali, N., K. Javid, M. Sajid and O. Anwar Beg (2016). Numerical simulation of Peristaltic flow of a bio rheological fluid with shear - dependent viscosity in a curved channel. Computer Methods in Biomechanics and Biomedical Engineering. 19, 614-627.##
Bird, R.B., Armstrong, R.C. and O. Hassager (1977). Dynamics of Polymeric Liquids. , New York: John Wiley & Sons.##
Burns, J.C., and T. Parkes (1967). Peristaltic motion. J. Fluid Mech.29, 731-743.##
Fung, Y.C. and C.S. Yih (1968). Peristaltic transport. J. Appl. Mech. Trans ASME. 5, 669-675.##
Hayat, T. and S. Hina (2010). The influence of wall properties on the MHD Peristaltic flow of a Maxwell fluid with heat and mass transfer. Nonlinear Anal: Real World Appl. 11, 3155- 3169.##
Hayat, T., N. Ahmad and N. Ali (2008). Effects of endoscope and magnetic field on the Peristalsis involving Jeffrey fluid. Comm. Nonlinear. Sci.Numer.Simul.13, 1581- 1591.##
Hua Shen, Yong Zhu and K. R. Qin (2016). A theoretical computerized study for the electrical conductivity of arterial pulsatile blood flow by an elastic tube model. Medical Engineering and Physics. 38, 1439-1448.##
Johnston, B. M., P. R. Johnston, S. Corney and D. Kilpatrick (2004). Non-Newtonian blood flow in human right coronary arteries: Steady state simulations. J. Bio Mech. 37, 709-720.##
Latham, T. W. (1966). Fluid motions in a peristaltic pump. MS thesis, Massachusetts Institute of Technology, Cambridge.##
Mazumdar, N. J. (1992). Bio fluid Mechanics, World Scientific, chapter.5, Singapore.##
Misery, A. M. E., Elsayed F. Elshehawey and A. A. Hakeem (1996). Peristaltic motion of an incompressible generalized Newtonian fluid in a planar channel. Journal of physical Society of Japan 65, 3524-3529.##
Mishra, J. C. and S. K. Ghosh (2003). Pulsatile flow of a viscous fluid through a porous elastic vessel of variable cross-section -A mathematical model for Hemodynamic flows. Computers and Mathematics with Applications. 46, 947-957.##
Nadeem, S. and N. S. Akbar (2009). Influence of heat transfer on a peristaltic transport of Herschel – Bulkley fluid in a non uniform inclined tube. CNSNS. 14, 4100-4113.##
Nahar, S., S. A. K. Jeelani and E. J. Windhab (2013). Prediction of velocity profiles of shear thinning fluids flowing in elastic tubes. Chemical Engineering Communications. 200, 820-835.##
Pandey, S. K. and M. K. Chaube (2010). Peristaltic transport of a visco-elastic fluid in a tube of a non-uniform cross section. Mathematical and Computer Modelling. 52, 501-514.##
Pedley, T. J. (1980). The fluid mechanics of large blood vessels, Cambridge University press.##
Radhakrishnamacharya, G. (1982). Long wavelength approximation to peristaltic motion of a power-law fluid. Rheologica Acta. 21, 30-35.##
Radhakrishnamacharya, G. and Ch. Srinivasulu (2007). Influence of wall properties on peristaltic transport with heat transfer. Comptes Rendus Mecanique. 335, 369- 373.##
Rao, A. R. and M. Mishra (2004). Peristaltic transport of a power-law fluid in a porous tube. J. Non-Newtonian Fluid Mech. 121, 163-174.##
Roach, M. R. and A. C. Burton (1957). The reason for the shape of distensibility curves of arteries, Can. J. Biochem Physiol. 35, 681-690. ##
Rubinow, S. I. and Joseph B. Keller (1972). Flow of a viscous fluid through an elastic tube with applications to blood flow. J. theor. Biol. 35, 299-313.##
Sankar, A. and G. Jayaraman (2001). Non-linear analysis of oscillatory flow in the annulus of an elastic tube: Application to catheterized artery. Physics of Fluids. 13, 2901-2911.##
Shapiro, A. H., M. Y. Jaffrin and S. L. Weinberg (1969). Peristaltic pumping with long wavelengths at low Reynolds number. J. Fluid Mech. 37, 799-825.##
Sharma, G. C., M. Jain and A. Kumar (2004). Performance modelling and analysis of blood flow in elastic arteries. Mathematical and Computer Modelling. 39, 1491-1499.##
Sochi, T. (2015). Navier - Stokes flow in cylindrical elastic tubes. J. Appl. Fluid Mech. 8, 181-188.##
Srinivas, S. and M. Kothandapani (2009). The influence of heat and mass transfer on MHD peristaltic flow through a porous space with complaint walls. Appl. Math. Comp. 213, 197-208.##
Srinivas, S., R. Gayathri and M. Kothandapani (2011). Mixed convective heat and mass Transfer in an asymmetric Channel with peristalsis. Commun. Nonlinear Sci. Numer. Simul.16, 1845-1862.##
Taha, S. (2014). The flow of Newtonian and power-law fluids in elastic tubes. Int. J. Non-linear Mechanics. 67, 245-250.##
Takagi, D. And N. J. Balmforth (2011). Peristaltic pumping of viscous fluid in an elastic tube, J. Fluid Mech. 672, 196-218.##
Tanner, R. I. (1985). Engineering Rheology. Oxford University press. New York.##
Vajravelu, K., S. Sreenadh and V. Ramesh Babu (2005a). Peristaltic transport of a Herschel- Bulkley fluid in an inclined tube. Int. J. Nonlinear Mech. 40, 83-90.##
Vajravelu, K., S. Sreenadh and V. Ramesh Babu (2005b). Peristaltic pumping of Herschel-Bulkley fluid in a channel. Appl. Math. Comp. 169, 726-735.##
Vajravelu, K., S. Sreenadh, P. Devaki and K. V. Prasad (2011). Mathematical model for a Herschel- Bulkley fluid flow in an elastic tube. Central European Journal of Physics.9, 1357-1365.##
Vajravelu, K., S. Sreenadh, P. Devaki and K. V. Prasad (2016). Peristaltic pumping of a Casson fluid in an elastic tube. J. Appl. Fluid Mech. 9, 1897-1905.##
Vajravelu, K., S. Sreenadh, P. Devaki and K. V. Prasad (2014). Peristaltic transport of a Herschel-Bulkley fluid in an elastic tube. Heat Transfer-Asian Research. 44, 585-598.##
Wang, D. M. and J. M. Tarbell (1992). Non linear analysis of flow in an elastic tube (artery): Steady streaming effects. J. Fluid Mech. 239, 341-358. ##
Whirlow, D. K. and W. T. Rouleau (1965). Periodic flow of a viscous fluid in a thick-walled elastic tube. Bulletin of Mathematical Biophysics. 27, 355-370.##
]Effects of Aspect Ratio in Moulded Packaging Considering Fluid/Structure Interaction: A CFD Modelling Approach22The fluid/structure interaction (FSI) investigations of stacked chip in encapsulation process of moulded underfill packaging using the two-way Coupling method with ANSYS Fluent and ANSYS Structural solvers are presented. The FSI study is executed with different aspect ratio of stacked chip on the mould filling during the encapsulation process. The simulation results in the FSI study is well validated with experimental setup. The epoxy moulding compound (EMC) and structure (chip) interaction is analyzed for better understanding the FSI phenomenon.Von Mises stresses experienced by the chip also be monitored for risk of chip cracking. The proposed analysis is anticipated to be a recommendation in the chip design and improvement of 3D integration packages.17991811M. H. H.IshakSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, MalaysiaSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysiapaysme_hafifi@yahoo.comM. Z.AbdullahSchool of Aerospace Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, MalaysiaSchool of Aerospace Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysiapaysmezul@usm.comM. S.Abdul AzizSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, MalaysiaSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysiapaysmsharizal@usm.myA.AbasSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, MalaysiaSchool of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysiapaysaizat@usm.comW. K.LohIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, MalaysiaIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, Malaysiapaysloh@intel.comR. C.OoiIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, MalaysiaIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, Malaysiapaysoooi@intel.comC. K.OoiIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, MalaysiaIntel Technology Sdn. Bhd, Kulim Industrial Technology Park, Kedah, Malaysiapaysooi@intel.comAir void Deformation Moulded packaging Stacked chip Aspect ratio.[Abdullah, M. K., M. Z. Abdullah, M. Mujeebu Z. M. Abdul Ariff and K. A. Ahmad (2008). A Study on the Effect of Epoxy Molding Compound (EMC) Rheology During Encapsulation of Stacked-CHIP Scale Packages (S-CSP). Journal of Reinforced Plastics and Composites 28(20), 2527–2538.##
Abdullah, M. K., M. Z. Abdullah, M. Mujeebu, Z. M. Abdul Ariff and K. A. Ahmad (2010). Three-dimensional modelling to study the effect of die-stacking shape on mould filling during encapsulation of microelectronic chips. IEEE Transactions on Advanced Packaging 33(2), 438–446.##
Ayani, M. B., M. R. Modarres Razavi, R. Elahi and M. Rezaeimoghaddam (2010). Modeling of Non-Newtonian Fluid Flow Within Simplex Atomizers, in: ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. Istanbul, Turkey 549–556.##
Castro, J. M. and C. W. Macosko (980). Kinetics and Rheology Of Typical Polyurethane Reaction Injection Molding Systems. Society of Plastics Engineers (Technical Papers), 434–438.##
Chang R. Y., W. H. Yang, S. J. Hwang and F. Su (2004). Three-dimensional modeling of mold filling in microelectronics encapsulation process. IEEE Transactions on Components and Packaging Technologies 27(1), 200–209.##
Elahi, R., M. Passandideh-Fard and A. Javanshir (2015). Simulation of liquid sloshing in 2D containers using the volume of fluid method. Ocean Eng. 96, 226–244.##
Gannamani, R. and M. Pecht (1996). An experimental study of popcorning in plastic encapsulated microcircuits. IEEE Transactions on Components Packaging and Manufacturing Technology Part A 19(2), 194–201.##
Gatzhammer, B., M. Mehl and T. Neckel (2010). A coupling environment for partitioned multiphysics simulations applied to fluid-structure interaction scenarios. Procedia Computer Science 1(1), 681–689.##
Haagh, G. A. A. V. and F. N. Van De Vosse (1998). Simulation of three-dimensional polymer mould filling processes using a pseudo-concentration method. International Journal for Numerical Methods in Fluids 28(9), 1355–1369.##
Hirt, C. and B. Nichols (1981). Volume of fluid (VOF) method for the dynamics of free boundaries. Journal of Computational Physics 39(1), 201–225.##
Kamal, M. R. and S. Sourour (1973). Kinetics and thermal characterization of thermoset cure. Polymer Engineering & Science 13(1), 59–64.##
Khor, C. Y., Abdullah M. Z., Z. M. Ariff and W. C. Leong (2012). Effect of stacking chips and inlet positions on void formation in the encapsulation of 3D stacked flip-chip package. International Communications in Heat and Mass Transfer 39(5), 670–680.##
Khor, C. Y., M. Z. Abdullah and W. C. Leong (2012). Fluid/structure interaction analysis of the effects of solder bump shapes and input/output counts on moulded packaging. IEEE Transactions on Components, Packaging and Manufacturing Technology 2(4), 604–616.##
Khor, C. Y., M. Z. Abdullah, M. K. Abdullah, M. A. Mujeebu, D. Ramdan, M. F. M. A. Majid, Z. M. Ariff and M. R. Abdul Rahman (2011). Numerical analysis on the effects of different inlet gates and gap heights in TQFP encapsulation process. International Journal of Heat and Mass Transfer 54(9-10), pp.1861–1870.##
Khor, C. Y., M. Z. Abdullah, M. Abdul Mujeebu and F. Che Ani (2010). FVM based numerical study on the effect of solder bump arrangement on capillary driven flip chip underfill process. International Communications in Heat and Mass Transfer 37(3), 281–286. ##
Mirzaii, I. and M. Passandideh-Fard (2011). Simulation of Solid-Liquid Interaction in Presence of a Free Surface, in: ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. Hamamatsu 2361–2371.##
Mirzaii, I. and M. Passandideh-Fard (2012). Modeling free surface flows in presence of an arbitrary moving object. Int. J. Multiph. Flow 39, 216–226.##
Nguyen, L., C. Quentin, P. Fine, B. Cobb, S. Bayyuk, H. Yang and S. A. Bidstrup-Allen (1999). Underfill of flip chip on laminates: Simulation and validation. IEEE Transactions on Components and Packaging Technologies 22(2), 168–176.##
Nguyen, L., C. Quentin, W. Lee, S. Bayyuk, S. A. Bidstrup-Allen and S. T. Wang (2000). Computational Modeling and Validation of the Encapsulation of Plastic Packages by Transfer Molding. Journal of Electronic Packaging 122(2), 138.##
Nordanger, K., A. Rasheed, K. M. Okstad, A. M. Kvarving, R. Holdahl and T. Kvamsdal (2016). Numerical benchmarking of fluid structure interaction: An isogeometric finite element approach. Ocean Eng. 124, 324–339.##
Ong, E. E. S., M. Z. Abdullah, C. Y. Khor, W. K. Loh, C. K. Ooi and R. Chan (2012). Analysis of encapsulation process in 3D stacked chips with different microbump array. International Communications in Heat and Mass Transfer 39(10), 1616–1623.##
Ramdan, D., M. Z. Abdullah, C. Y. Khor, W. K. Loh, C. K. Ooi and R. Chan (2012). Fluid/Structure interaction investigation in PBGA packaging. IEEE Transactions on Components, Packaging and Manufacturing Technology 2(11), 1786–1795.##
Ramdan, D., M. Z. Abdullah and N. M. Yusop (2012). Effects of outlet vent arrangement on air traps in stacked-chip scale package encapsulation. International Communications in Heat and Mass Transfer 39(3), 405–413.##
Shen, Y. K., C. M. Ju, Y. J. Shie and H. W. Chien (2004). Resin flow characteristics of underfill process on flip chip encapsulation. International Communications in Heat and Mass Transfer 31(8), 1075–1084.##
Teng, S. Y. and S. J. Hwang (2008). Simulations and experiments of three-dimensional paddle shift for IC packaging. Microelectronic Engineering 85(1), 115–125.##
Wan, J. W., W. J. Zhang and D. J. Bergstrom (2009). Numerical modeling for the underfill flow in flip-chip packaging. IEEE Transactions on Components and Packaging Technologies 32(2), 227–234.##
Wu, J. H., A. A. O. Tay, K. S. Yeo and T. B. Lim (1996). A three-dimensional modeling of wire sweep incorporating resin cure. IEEE Transactions on Components Packaging and Manufacturing Technology Part B 21(1), 65–72.##
Yang, H. Q., S. A. Bayyuk and L. T. Nguyen (1997). Time-accurate, 3-D computation of wire sweep during plasticencapsulation of IC components. 1997 Proceedings 47th Electronic Components and Technology Conference 831–836.##
Yigit, S., M. Schafer and M. Heck (2008). Grid movement techniques and their influence on laminar fluid–structure interaction computations. Journal of Fluids and Structures 24(6), 819–832.##
Zheng, L., Y. Sun, S. Timothy, L. Jeremias, G. Siva and T. Patrick (2008). An Examination of Underfill Flow in Large Dies With Nonuniform Bump Patterns. IEEE Transactions on Components Packaging and Manufacturing Technology Part 33(1), 196–205.##]Numerical Analysis of Mixed Convective Peristaltic Flow in a Vertical Channel in Presence of Heat Generation without using Lubrication Theory22In this paper, heat transfer analysis of peristaltic mixed convection flow through a vertical channel is presented in addition, effects of heat generation are also investigated. The mathematical model is represented by the system of non-linear partial differential equations. The analysis is made in the presence of non-zero wave and Reynolds numbers. The results of the long wavelength assumption in a creeping flow can be deduced. These results thus predict new features in the peristaltic transport in the absence of the approximation of long wave length and low Reynolds number. The moderate finite elements based technique has been used to compute the highly accurate solution of the governing problem. To ensure the accuracy of the computed solution, the results obtained are validated against the available results in the literature and found good agreement. The obtained result are presented through graphs and the influence of involved pertinent parameters is analyzed. 18131827B.AhmedDepartment of Mathematics and Statistics, International Islamic University Islamabad PakistanDepartment of Mathematics and Statistics, International Islamic University Islamabad Pakistanpaysbilalmaths7@yahoo.comT.JavedDepartment of Mathematics and Statistics, International Islamic University Islamabad PakistanDepartment of Mathematics and Statistics, International Islamic University Islamabad Pakistanpaystariq_17pk@yahoo.comA. H.HamidDepartment of Mathematics and Statistics, International Islamic University Islamabad PakistanDepartment of Mathematics and Statistics, International Islamic University Islamabad Pakistanpaysahhamid51@gmail.comM.SajidDepartment of Mathematics and Statistics, International Islamic University Islamabad PakistanDepartment of Mathematics and Statistics, International Islamic University Islamabad Pakistanpayssajidqau2002@yahoo.comMixed convection Peristaltic flow Heat generation Numerical analysis Non-zero Reynolds number.[Ali N., M. Sajid, T. Javed and Z. Abbas (2010). Heat transfer analysis of peristaltic flow in a curved channel. Int. J. Heat and Mass Transfer 53, 3319-3325. ##
Dharmendra, T. and O. Anwer Beg (2013). Study of transient peristaltic heat flow through a finite porous channel. Math. and Computer Modeling 57, 1270-1283.##
Ekstein, E. C. (1970). Experimental and theoretical pressure studies of peristaltic pumping SM. Thesis, Dept. Mech. Eng., Massachusetts Institute of Technology, Cambridge, MA.##
Fauci Lisa, J. (1992).Peristaltic pumping of solid particles. Comp. Fluid 21, 583-598.##
Fung, Y. C. and C. S. Yih (1968). Peristaltic Transport. J. of Appl. Mech. 35 669-675.##
Hamid, A. H., Tariq Javed, B. Ahmed and N. Ali. (2017). Numerical study of two-dimensional non-Newtonian peristaltic flow for long wavelength and moderate Reynolds number. Brazilian Society of Mechanical Sciences and Engineering.##
Hayat, T., S. Farooq, A. Alsaedi and B. Ahmad (2017). Numerical study for Soret and Dufour effects on mixed convective peristalsis of Oldroyd 8-constants fluid. International Journal of Thermal Sciences 112, 68-81.##
Hung, T. K. and T. D. Brown. (1975). Solid-Particle motion in two-dimensional peristaltic flows. Journal of Fluid Mechanics 73, 77-96.##
Jaffrin, M. Y. (1973). Inertia and streamline Curvature Effects on Peristalsis. International Journal of Engineering. Science 11 681-699. ##
Latham T. W. (1966). Fluid motion in a peristaltic pump. MIT, Massachusetts.##
Lew, H. S., Y. C. Fung and C. B. Lowenstein (1971). Peristaltic carrying and mixing of chyme in the small intestine. Journal of Biomechanics 4, 297-315.##
Manton, M. J. (1975). Long-Wavelength Peristaltic pumping at low Reynolds number. J.of Fluid Mech. 68(3), 467-476##
Mekheimer, Kh. S. (2008). Peristaltic flow of a magneto-micropolar fluid, Effect of induced magnetic field. International J. of Appl. Mathematics. ##
Narahari, M. and S. Sreenadh (2010). Peristalatic transport of a Bingham fluid in contact with a Newtonian fluid. International J. of Applied Math. Mechanics 6(11), 41–54##
Ramesh, K. (2016). Effects of slip and convective conditions on the peristaltic flow of couple stress fluid in an asymmetric channel through porous medium. Computer Methods and Programming in Biomedicne 135, 1- 14.##
Rao, A. R. and S. Usha (1995). Peristaltic transport of two immiscible viscous fluid in a circular tube. J. of Fluid Mechanics 85, 298–271.##
Sajid, M., B. Ahmed and Z. Abbas (2015). Steady mixed convection stagnation point flow of MHD Oldroyd-B fluid over stretching sheet. Journal of the Egyptian Mathematical Society 23(2), 440-444.##
Sayed, H. M., E. H. Aly and K. Vajravelu (2016). Influence of slip and convective boundary conditions on peristaltic transport of non-Newtonian Nano-fluids in an inclined asymmetric channel. Alexandria Eng. J. 55 (3) 2209-2220.##
Shapiro, A. H. (1967). Pumping and retrograde diffusion in peristaltic waves. In Proc. Workshop Ureteral Reftm Children, Nat. Acad. Sci., Washington, DC, 1,109-126.##
Shapiro, A. H. M. Y. Jaffrin and S. L. Weinberg (1969). Peristaltic Pumping with Long Wavelength at Low Reynolds Numbers. Journal of Fluid Mechanics 37, 799-825.##
Shapiro, A. H., M. Y. Jaffrin and S. L. Weinberg (1969). Peristaltic Pumping with Long Wavelength at Low Reynolds Numbers. Journal of Fluid Mechanics 37, 799-825.##
Srinivas, S. and M. Kothandapani (2008). Peristaltic transport in an asymmetric channel with heat transfer: A note, International Communications in Heat and Mass Transfer 35 (4), 514–522.##
Srinivas, S., R. Gayathri and M. Kothandapani. (2011). Mixed convective heat and mass transfer in an asymmetric channel with peristalsis. Comm. in Nonlinear Science and numerical simulation 16, 1845-1862.##
Sucharitha, G., P. Lakshminarayana and N. Sandeep. (2017). Joule heating and wall flexibility effects on the peristaltic flow of magnetohydrodynamic nanofluid. International Journal of Mechanical Sciences 131, 52-62.##
Takabatake, S., K. Ayukawa and M. Sawa (1989). Finite element Analysis of Two dimensional Peristaltic flow (1st Report, Finite element solution). Japan Society of Mech. Eng. 53, 1207-1213.##
Tanveer, A., T. Hayat, A. Alsaedi and B. Ahmad. (2017). Mixed convective peristaltic flow of Sisko fluid in curved channel with homogeneous-heterogeneous reaction effects. Journal of Molecular Liquids 233 131-138.##
Vajravelu, K., G. Radhakrishnamacharya and V. Radhakrishnamurty (2007). Peristaltic flow and heat transfer in a vertical porous annulus with longwave approx. Inter. J. of Non-Linear Mech. 42, 754 – 759.##
Weinberg, S. L., E. C. Eckstein and A. H. Shapiro (1971). An experimental study of peristaltic pumping. Journal of Fluid Mechanics 49, 461-479.##
Zein, T. F. and S. A. Ostrach (1970). A Long wavelength Approximation to Peristaltic Motion. Journal of Biomech. 3 63-75.##
]Linear and Weakly Nonlinear Models of Wind Generated Surface Waves in Finite Depth22This work regards the extension of the Miles’ and Jeffreys’ theories of growth of wind-waves in water of finite depth. It is divided in two major sections. The first one corresponds to the surface water waves in a linear regimes and the second one to the surface water waver considered in a weak nonlinear, dispersive and anti-dissipative regime. In the linear regime, we extend the Miles’ theory of wind wave amplification to finite depth. The dispersion relation provides a wave growth rate depending to depth. A dimensionless water depth parameter depending to depth and a characteristic wind speed, induces a family of curves representing the wave growth as a function of the wave phase velocity and the wind speed. We obtain a good agreement between our theoretical results and the data from the Australian Shallow Water Experiment as well as the data from the Lake George experiment. In a weakly nonlinear regime the evolution of wind waves in finite depth is reduced to an anti-dissipative Kortewegde Vries-Burgers equation and its solitary wave solution is exhibited. Anti-dissipation phenomenon accelerates the solitary wave and increases its amplitude which leads to its blow-up and breaking. Blow-up is a nonlinear, dispersive and anti-dissipative phenomenon which occurs in finite time. A consequence of anti-dissipation is that any solitary waves’ adjacent planes of constants phases acquire different velocities and accelerations and ends to breaking which occurs in finite space and in a finite time prior to the blow-up. It worth remarking that the theoretical amplitude growth breaking time are both testable in the usual experimental facilities. At the end, in the context of wind forced waves in finite depth, the nonlinear Schrödinger equation is derived and for weak wind inputs, the Akhmediev, Peregrine and Kuznetsov-Ma breather solutions are obtained.18291843A.LatifiDepartment of Physics, Faculty of Sciences, Qom University of Technology, Qom, IranDepartment of Physics, Faculty of Sciences, Qom University of Technology, Qom, Iranpaysa.latifipro@yahoo.frM. A.MannaUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, FranceUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, Francepaysmiguel.manna@umontpellier.frP.MontalvoUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, FranceUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, Francepayspablo.montalvo.leroux@gmail.comM.RuivoUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, FranceUniversité Montpellier, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, Francepaysmanon.ruivo@laposte.netSurface waves Wind waves Interface waves Rogue waves Blow-up Asymptotic models Miles’s mechanism Jeffreys’ mechanism.[Akhmediev, N. N., V. M. Eleonskii and N. E. Kulagin (1987). Exact first-order solutions of the nonlinear Schrödinger equation. Theor. Math. Phys. 72, 809.##
Beji, S. and K. Nadaoka (2004). Solution of Rayleigh’s instability equation for arbitrary wind profiles. J. Fluid Mech. 500, 65-73. ##
Belcher, S. E. and J. C. R. Hunt (1993). Turbulent shear flow over slowly moving waves. Journal of Fluid Mechanics 251, 109-148.##
Benney, D. J. (1996). Long waves on liquid films. Journal of Mathematical Physics 45, 150–155.##
Bretschneider, C. L. (1958). Revised wave forecasting relationships. Proceedings of the 6th conference on Coastal Engineering, Gainsville/Palm Beach/Miami Beach, F.L. ASCE, New York 30-67.##
Charnock, H. (1995). Wind stress on a water surface. Quart. J. Roy. Meteorol. Soc. 81, 639.##
Donelan, M. A., A. V. Babanin, I. R. Young and M. L. Banner (2006). Wave-follower field measurements of the wind-input spectral function. Part II: Parameterization of the wind input. Journal of Physical Oceanography 36, 1672-1689.##
Dysthe K. B. and K. Trulsen (1999). Note on Breather Type Solutions of the NLS as Models for Freak-Waves. Physica Scripta T82, 48. ##
Fairall, C. W., A. A. Grachev, A. Bedard and R. T. Nishiyama (1996). Wind, Wave, Stress and Surface Roughness Relationships from Turbulence Measurements made on R/P flip in the Scope Experiment. NOAA technical memorandum ERL ETL-268. ##
Fenton, J. D. (1979). A high-order cnoidal wave theory. J. Fluid Mech. 94, 129-161. ##
Francius M. and C. Kharif (2006). Three-dimensional instabilities of periodic gravity waves in shallow water. J. Fluid Mech. 561, 417.##
Garratt, J. R., G. D. Hess, W. L. Physick and P. Bougeault (1996). The Atmospheric Boundary Layer-Advances in Knowledge and Application. Boundary Layer Meteorology 78, 9-37.##
Grad, H. and P. W. Hu (1967). Unified shock profile in a plasma. Physics of Fluids 10, 2596-2602.##
Hu, P. (1972). Collisional theory of shock and nonlinear waves in a Plasma. Physics of Fluids 15, 854-864.##
Ijima, T. and F. L. W. Tang (2011). Numerical calculation of wind waves in shallow water. Coastal Engineering Proceedings, North America. ##
Janssen, P. A. E. M. (1991) Quasi-linear theory of wind generation applied to wave forecasting. J Phys Oceanogr 21, 1631.##
Janssen, P. A. E. M. (2004). The Interaction of Ocean Waves and Wind. Cambridge University Press.##
Jeffrey, A. and S. Xu (1989). Exact solutions to the Korteweg–de Vries–Burgers equation. Wave Motion 11, 559.##
Jeffreys, H. (1924). On the formation of waves by wind. Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences A107, 189-206.##
Jeffreys, H. (1925). On the formation of waves by wind II. Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences A110, 341-347.##
Johnson, R. S. (1972). Shallow water waves on a viscous fluid-the nodular bore. Physics of Fluids 15, 1693-1699.##
Karahara, T. (1970). Weak nonlinear magneto-acoustic waves in a cold plasma in the presence of effective electron-ion collisions. J. Phys. Soc. Japan 27 1321-9.##
Kharif, C., J. P. Giovanangeli, J. Toublon, L. Grade and E. Pelinovski (2008). Influence of wind on extreme wave events: experimental and numerical approaches. Journal of Fluid Mechanics 594, 209-247.##
Kharif, C., R. Kraenkel, M. A. Manna and R. Thomas (2010). The modulational instability in deep water under the action of wind and dissipation. J. Fluid Mech. 664, 138.##
Korteweg, D. J. and G. de Vries (1895). On the change of form of long waves advancing in a rectangular canal, and a new type of stationary waves. Philosophical Magazine 39, 422-443.##
Lighthill, M. (1925). Waves in Fluids. Edited by C. U. Press. ##
Ma, Y. (1979). The Perturbed Plane-Wave Solutions of the Cubic Schrödinger Equation. Stud. Appl. Math 60, 43. ##
Makin, V. (2004). A Note on the Drag of the Sea Surface at Hurricane Winds. Boundary-layer meteorology 115, 169-176.##
Manna, M. A., P. Montalvo and R. A Kraenkel (2014). Finite time blow-up and breaking of solitary wind waves. Physical Review E 90, 013006##
McCowan, J. (1894). On the Highest Wave of Permanent Type. Philosophical Magazine Series 5(38), 351.##
Miche, R. (1944). Mouvements ondulatoires de la mer en profondeur constante ou décroissante. Edited by A. des Ponts et Chausses.##
Miles, J. W. (1957). On the generation of surface waves by ï-ows. Journal of Fluid Mechanics 3, 185-204.##
Miles, J. W. (1997). Generation of surface waves by winds. Applied Mechanics Reviews 50-7, R5-R9.##
Montalvo, P., J. Dorignac, M. A. Manna, C. Kharif and H. Branger (2013a). Growth of surface wind-wave in water of finite depth. A theoretical approach. Coastal Engineering 77, 49-56.##
Montalvo, P., R. Kraenkel, M. A. Manna and C. Kharif (2013b). Wind-wave amplification mechanisms: possible models for steep wave events in finite depth. Natural Hazards and Earth System Sciences 13, 2805-2813 ##
Onorato, M. and D. Proment (2012). Approximate rogue wave solutions of the forced and damped Nonlinear Schrödinger Equation for water waves. Physics Letters A 376, 3057-3059.##
Ott, E. and R. Sudan (1970). Damping of Solitary Waves. Phys. Fluids 13, 1432.##
Peregrine, D. and J. Austral (1983). Water waves, nonlinear Schrödinger equations and their solutions. Math. Soc. Ser. B 25(1), 16.##
Phillips, O. M. (1957). On the generation of waves by turbulent wind. Journal of Fluid Mechanics 2, 417-445.##
Pierson, W. J. and L. Mokowitz (1964). A proposed spectral form for fully developed wind seas based on the similarity theory of S.A. Kitaigorotskii. Journal of Geophysical Research 69, 5181-5189.##
Rayleigh, L. (1880). On the stability or instability of certain fluid motions. Proceedings of the London Mathematics Society XI, 57-70.##
Shemer, L. (2013). On kinematics of very steep waves. Nat. Hazards Earth Syst. Sci. 13, 2101. ##
Tennekes, H. (1972). The logarithmic wind profile. Journal of the atmospheric sciences 30, 234.##
Thijsse, T. J. (1949). Dimensions of wind-generated waves. General assembly of Associaton d’Océanographie physique. Procés-Verbaux 4, 80-81.##
Thomas, C. Kharif, and M. A. Manna (2012). A nonlinear Schrödinger equation for water waves on finite depth with constant vorticity. Phys. Fluids 138. ##
Toublon, J. and C. Kharif (2006). On the interaction of wind and extreme gravity waves due to modulational instability. Physics of Fluids 18, 108103-1 – 108103-4.##
Touboul, J., C. Kharif, E. Pelinovsky and J. P. Giovanangeli (2008). On the interaction of wind and steep gravity wave groups using Miles' and Jeffreys' mechanisms. Nonlin. Processes Geophys. 15, 1023. ##
Wadati, M. (1975). Wave Propagation in Nonlinear Lattice. Journal of the Physical Society of Japan 38, 673-680.##
Whitham, G. (1974). Linear and Nonlinear Waves. Wiley Interscience, New York.##
Wu, J. (1982). Wind-stress coefficients over sea surface from breeze to hurricane. Journal of geophysical research 87, Issue C12, 9704–9706.##
Young, I. R. and L. A. Verhagen (1966a). The growth of fetch limited waves in water of finite depth. Part I: total energy and peak frequency. Coastal Engineering 29, 47-78.##
Young, I. R. and L. A. Verhagen (1966b). The growth of fetch limited waves in water of finite depth. Part II: spectral evolution. Coastal Engineering 29, 79-99.##
Young, I. R. (1997a). The growth rate of finite depth wind-generated waves. Coastal Engineering 32, 181-195.##
Young, I. R. (1997b). Wind Generated Ocean Waves. Elsevier. ##
Young, I. R. and A. Babanin (2006). Spectral distribution if energy dissipation of wind-generated waves due to dominant wave braking. Journal of physical Oceanography 36, 376-394.##
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