THERMAL SCIENCE

International Scientific Journal

ELECTROMAGNETIC STEADY MOTION OF CASSON FLUID WITH HEAT AND MASS TRANSFER THROUGH POROUS MEDIUM PAST A SHRINKING SURFACE

ABSTRACT
The motion of non-Newtonian fluid with heat and mass transfer through porous medium past a shrinking plate is discussed. The fluid obeys Casson model, heat generation, viscous dissipation, thermal diffusion, and chemical reaction are taken in our considered. The motion is modulated mathematically by a system of non-linear PDE which describe the continuity, momentum, heat, and mass equations. These system of non-linear equations are transformed into ODE by using a suitable transformations. These equations are solved numerically by using MATHEMATICA package. The numerical distributions of the velocity, temperature, and concentration are obtained as a functions of the physical parameters of the problem. Moreover, the effects of these parameters on these solutions are discussed numerically and illustrated graphically through some figures. It is clear that these parameters play an important role to control the velocity, temperature, and concentration of the fluid motion. It is found that the fluid velocity deceases with the increasing of electric parameter while it increases as the magnetic Hartman parameter increases, these results is good agreement with the physical situation. Also, the fluid temperature decreases and increases as the Prandtl number and Eckert number increases, respectively. At least the fluid concentration decreases with both of Soret and Schimdt numbers.
KEYWORDS
PAPER SUBMITTED: 2019-04-18
PAPER REVISED: 2019-10-12
PAPER ACCEPTED: 2019-10-19
PUBLISHED ONLINE: 2019-11-17
DOI REFERENCE: https://doi.org/10.2298/TSCI190418416E
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 1, PAGES [257 - 265]
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© 2021 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence