Hall Effects on MHD Flow of Second Grade Fluid through Porous Medium with Oscillatory Suction

Abstract

In this paper, we have considered Hall effects on the unsteady free convective two dimensional flow of a viscous incompressible electrically conducting second fluid over an infinite vertical porous plate under the influence of uniform transverse magnetic field with time dependent permeability, oscillatory suction. The governing equations of the flow field are solved by a regular perturbation method for small amplitude of the permeability. The closed form solutions for the velocity, temperature and concentration have been derived analytically and also its behavior is computationally discussed with reference to different flow parameters with the help of profiles. The skin fiction on the boundary, the heat flux in terms of the Nusselt number and rate of mass transfer in terms of Sherwood number are also obtained and their behavior computationally discussed.

Heat Transfer on MHD Rotating non-Newtonian Fluid Flow through Parallel Plate Porous Channel

“…Lakshmanna and Venkateswarlu [12] studied the MHD flow of an incompressible fluid with heat and mass transfer over a vertical plate in the presence of magnetic field with soret and dufour effects, chemical reaction and convective heat exchange at the surface with the surrounding. Recently, Lakshmanna and Venkateswarlu [13,14] discussed the (a)Hall effects on the unsteady free convective two dimensional flow of a viscous incompressible electrically conducting second fluid over an infinite vertical porous plate under the influence of uniform transverse magnetic field with time dependent permeability, oscillatory suction. (b)Unsteady MHD flow through a loosely packed porous medium in an impulsively started vertical plate with variable heat and mass transfer.…”