An incompressible Newtonian fluid flows steadily between
Chapter 6, Problem 6.108(choose chapter or problem)
An incompressible Newtonian fluid flows steadily between two infinitely long, concentric cylinders as shown in Fig. P6.108. The outer cylinder is fixed, but the inner cylinder moves with a longitudinal velocity \(V_0\) as shown. The pressure gradient in the axial direction is \(- \Delta p/ \ell\). For what value of \(V_0\) will the drag on the inner cylinder be zero? Assume that the flow is laminar, axisymmetric, and fully developed.
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