Fig. 12

Skin friction \(\left( {\tau_{\lambda } } \right)\) profiles for different values of S and d \(\left( {t = 0.2, \beta = - 0.2 ,P = 10, A^{*} = 1, w = 0.8} \right)\)
Skin friction \(\left( {\tau_{\lambda } } \right)\) profiles for different values of S and d \(\left( {t = 0.2, \beta = - 0.2 ,P = 10, A^{*} = 1, w = 0.8} \right)\)