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Engineering, 17.07.2019 21:20 sarn8899
Along cylinder of diameter di slides at a velocity u inside a long stationary tube of diameter d2, so that the cylinder and tube are concentric. if the gap is filled with a fluid of viscosity ? , and if the fluid velocity varies linearly across the (small)gap, find the force per unit length required to keep the inner cylinder moving at a constant velocity.
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Along cylinder of diameter di slides at a velocity u inside a long stationary tube of diameter d2, s...
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