keywords: Suction/injection, free & forced convection, permeable vertical plate, unsteady flow
One dimensional free and forced convection flow of a viscous incompressible fluid through an infinite permeable vertical plate controlled by suction/injection(S_*) was studied. Temperature(θ), velocity(u), concentration(C) and skin friction(τ) profiles for the fluid were obtained and solved using He-Laplace method, where the thermal radiation and chemical reaction effects on the flow of the fluid together with the influence of each physical parameters were discussed with the aid of graphs. Observations were seen that the temperature(θ), velocity(u) and concentration(C) reduces with increasing suction/injection(S_*) near the plate boundary while the velocity(u) increases with increase in Grashof number(Gr). Also it was observed that the skin friction(τ) decreases with increasing suction/injection(S_*).