Figure 12From: Heat transfer in an unsteady MHD flow through an infinite annulus with radiation Skin friction (outer wall) versus α for \(\pmb{M = 0.4}\) , \(\pmb{Q = 5}\) , \(\pmb{\mathit{Pr} =0.025}\) , \(\pmb{t = 2}\) , \(\pmb{\lambda= 2}\) , \(\pmb{n_{1}= 1}\) , \(\pmb{n_{2}= 2}\) , \(\pmb{P_{0}= 1}\) . Back to article page