Home / Questions / An incompressible Newtonian fluid flows steadily between two infinitely long concentric cylinders
An incompressible Newtonian fluid flows steadily between two infinitely long, concentric cylinders of radius r_{i} andr_{o}, for the inner and outer cylinders, respectively. Outer cylinder is fixed and the inner cylinder moves horizontallywith a uniform velocity V_{i}. Assuming laminar, axisymmetric and fully-developed flow, determine the velocity distributionin the gap. Find expression for V_{i} (in terms of other relevant variables) that the drag on the inner cylinder becomeszero.
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