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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
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 V0 as shown. The pressure gradient in the axial direction is
 For what value of V0 will the drag on the inner cylinder be zero? Assume that the flow is laminar, axisymmetric, and fully developed.

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