Unsteady MHD Couette flow in a vertical porous channel with effect of thermal radiation and variable temperature

Unsteady MHD Couette flows in a vertical porous channel with effect of thermal radiation and variable temperature have been studied. The governing equations at first were transformed by usual transformation non-dimensional form. numerical solutions for time dependent velocity, special concentration are obtained the implicit finite difference method. computed values fluid concentrations analyzed different flow parameters such as Grashof number Gr, modify Gm, Prandtl Pr, parameter R Schmidt Sc. these depicting physical situation profile is expressed aid line graphs. Significant results from this study showed that increases increase radiation, magnetic field time, decreases number, increasing values.