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Unformatted text preview: expression for the velocity profile and the average velocity. Assume, steady, incompressible flow. air liquid Film thickness=h Belt Velocity = V 4 5 6 7 8 Example An incompressible, viscous fluid is placed between horizontal, infinite, parallel plates as shown. The two plates move in opposite directions with constant velocities. The pressure gradient in the xdirection is zero and the only body force is due to the fluid weight. Use the NavierStokes equations to derive the velocity distribution between the plates. What is the shear stress at the top and bottom wall? 9 10 11 12...
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 Spring '08
 Bohl

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