Unsteady MHD Free Convective Heat flow and Mass Transfer Past an Infinite Vertical Porous Plate embedded in Porous Medium in Presence of Hall Current and Heat Source with Chemical Reaction.

Abstract

An attempt has been made to study Hall effects on unsteady free convective flow and mass transfer over an infinite vertical porous plate which is embedded in porous medium with heat source.The Governing equations are transferred into a system of non-dimensional differential equations, which are then solved analytically by using perturbation techniques.The dimensionless velocity, temperature and concentration profiles are displayed graphically showing the effects in the flow domain for different values of the parameters involved in the problem.It is noted that increase of permeability parameter, Hall Parameter and Grashof Numbers for heat and mass transfer accelerates the velocity of fluid flow, but the reverse process happened if an increase of magnetic number.Further a growing Permeability Parameter enchances the skin friction at the wall.The effect of increasing heat source enchances the Heat Transfer at the wall. The same effect exists in mass transfer while increasing of Schmidt Number.

Keywords: Heat Transfer, Mass Transfer, Porous Medium, Hall Effects, Chemical Reaction.