Abstract:
This research investigates the effect of periodic heat flux and mass flux on unsteady convection flow
bounded by an infinite vertical flat porous plate. The porous infinite surface is subjected to a slightly
sinusoidal transverse suction velocity distribution. The problem becomes three dimensional, due to
the periodic suction velocity variation in space. Assuming the free stream velocity to be uniform, the
approximate solutions for velocity, temperature, concentration, skin friction and rate of heat transfer
are obtained using multi-parameter perturbation technique. The dependence of solution on Pr(Prandtl
number), Gr(Grashof number), Gc(modified Grashof number), Sc(Schmidt number), ω(frequency
parameter) and Re(Reynold number) is investigated with the help of graphs and tables.