Fig. 7From: Transient Taylor–Dean flow in a composite annulus with porous walls partially filled with porous materialSkin friction \(\left( {\tau_{1} } \right)\) profiles for different values of t \(\left( { \beta = - 0.2, P = 10,{\text{Da}} = 0.2, d = 1.5, A^{*} = 1, w = 0.8 } \right)\)Back to article page