Determine torque required to overcome the fluid resistance

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Reference no: EM13940441

The very thin tube A of mean radius r and length L is placed within a fixed circular cavity as shown. If the cavity has a small gap of thickness t on each side of the tube, and is filled with a Newtonian liquid having a viscosity (mu), determine the torque T required to overcome the fluid resistance and rotate the tube with a constant angular velocity of w. Assume the velocity profile within the liquid is linear.

Reference no: EM13940441

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