Figure 4From: Exact solutions of unsteady MHD free convection in a heat absorbing fluid flow past a flat plate with ramped wall temperature Effect of variation in time t on the fluid velocity u(η,t) when (a) f(t)=H(t) , (b) f(t)=tH(t) , and (c) f(t)=cosωtH(t) for Sc=0.6 , ϕ=1 , Pr=0.71 , M=3 , Gr=2 and Gm=2 . Back to article page