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(Solved): Problem 4 A lubricated shaft rotates inside a concentric sleeve bearing at 10 ...
Problem 4 A lubricated shaft rotates inside a concentric sleeve bearing at . The clearance is small with respect to the radius so a linear velocity distribution in the lubricant may be assumed. What are the power requirements to rotate the shaft? and N.s
Expert Answer
Given: N = 1000 RPM = 16.67 rev/sR = 2 cm = 0.02 mL = 10 cm = 0.1 m? = 0.2 mm = 0.0002 m? = 0.1 N.s/m^2Where,N is the rotational speed of the shaft in