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Finite Element Solution of Heat and Mass Transfer in MHD Flow of a Viscous Fluid past a Vertical Plate under Oscillatory Suction Velocity

Author(s): J. Anand Rao | R. Srinivasa Raju | S. Sivaiah

Journal: Journal of Applied Fluid Mechanics
ISSN 1735-3572

Volume: 5;
Issue: 13;
Start page: 1;
Date: 2012;
Original page

Keywords: Heat and mass transfer | MHD flow | Vertical plate | Suction velocity | Viscous fluid | Galerkin finite element method.

The study of hydromagnetic heat and mass transfer in MHD flow of an incompressible, electrically conducting,viscous fluid past an infinite vertical porous plate along with porous medium of time dependent permeability under oscillatory suction velocity normal to the plate has been made. It is considered that the influence of the uniform magnetic field acts normal to the flow and the permeability of the porous medium fluctuate with the time. The problem is solved, numerically by Galerkin finite element method for velocity, temperature, concentration field and the expressions for skin – friction, Nusselt number and Sherwood number are also obtained. The results obtained are discussed for Grashof number (Gr > 0) corresponding to the cooling of the plate and (Gr < 0) corresponding to the heating of the plate with the help of graphs and tables to observe the effects of various parameters.
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