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Velocity pro?le and calculate the torque

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A 3-cm-diameter cylinder rotates inside a ?xed 4-cm-diameter cylinder with 40-C SAE-30 oil ?lling the space between the 30-cm-long concentric cylinders. Write the velocity pro?le and calculate the torque and the power required to rotate the inner cylinder at 2000 rpm assuming a laminar ?ow.

Reference no: EM13886692

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