Influence of variable permeability on unsteady MHD convection flow past a semi-infinite inclined plate with thermal radiation and chemical reaction

Analytical solutions for heat and mass transfer by laminar flow of a Newtonian, viscous, electrically conducting and radiating fluid along a semi infinite inclined permeable moving plate in the presence of a uniform transverse magnetic field with chemical reaction is presented. The plate is assumed to move with a constant velocity in the direction of fluid flow. The non-linear coupled partial differential equations are solved by perturbation technique. Graphical results for velocity, temperature and concentration profiles and for skin friction coefficient, Nusselt number, Sherwood numbers with in the boundary layer are presented and discussed. (author)