Experimental Investigations on the Viscosity of Magnetic Nanofluids under the Influence of Temperature, Volume Fractions of Nanoparticles and External Magnetic Field

Authors

1 Department of Chemical Engineering, Gachsaran branch, Islamic Azad University, Gachsaran, Iran

2 Chemical Engineering Department, School of Engineering, Yasouj University, Yasouj, Iran

3 Process Intensification Lab, Chemical Engineering Dept., Yasouj University, Yasouj, Iran

Abstract

This article investigates the effect of magnetic field on the viscosity of Fe3O4-water magnetic nanofluid experimentally. Experiments were done in the volume fraction range 0 to 1 vol% and the temperature ranges from25 to 45 ˚C. The results showed that the viscosity increased with increasing of nanoparticle volume fractions and decreased with temperature enhancement with or without of magnetic field. Also, it is observed that the viscosity of the magnetic nanofluid increases with enhancement of magnetic field strength. Thus, magnetic field is a basic factor that influences the viscosity of the magnetic nanofluids and magnetic nanofluid flow can be controlled by applying a magnetic field.

Keywords

Journal of Applied Fluid Mechanics
Volume 9, Issue 2
February 2016
Pages 693-697

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