Finite Difference Analysis of Unsteady MHD Free Convective Flow over Moving Semi-Infinite Vertical Cylinder with Chemical Reaction and Temperature Oscillation Effects

Authors

1 Department of Engineering Mathematics, GITAM University Hyderabad Campus, Rudraram, Patancheru Mandal, Medak Dist.-502 329, A.P. India.

2 Gort Engovation (Aerospace Engineering Sciences), 15 Southmere Avenue, Bradford, BD7 3NU, England, UK.

3 Department of Mathematics, Vidya Jyothi Institute of Technology, Aziz Nagar Gate, C.B. Post, Hyderabad-500075, A.P. India.

Abstract

In the present study, the effects of chemical reaction on unsteady free convection flow of a viscous, electrically conducting, and incompressible fluid past a moving semi-infinite vertical cylinder with mass transfer and temperature oscillation is studied. The dimensionless governing partial differential equations are solved using an implicit finite-difference method of Crank–Nicolson type, which is stable and convergent. The transient velocity, transient temperature, and transient concentration profiles are studied for various parameters. The local as well as average skin-friction, Nusselt number, and Sherwood number are also analyzed and presented graphically. The results are compared with available computations in the literature, and are found to be in good agreement.

Keywords

Journal of Applied Fluid Mechanics
Volume 9, Issue 1
December 2015
Pages 157-167

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