hw9_sol - The University of Michigan Department of...

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Unformatted text preview: The University of Michigan Department of Mechanical Engineering ME 320 - Section 1 Homework #9 - Due November 19, 2008 Problem 1 : Problems 6.85 and 6.96 of the text. Problem 2: A stepped bearing is shown in the figure. The lower plate moves with respect to the bearing shoe and drags oil through the clearance space. The bearing is of infinite extent normal to the page, and all values are to be computed per unit width. Assume laminar incompressible flow. The pressure can be assumed to increase linearly from the entrance to the step and then to again decrease linearly from the step to the discharge section. Find p m in terms of V , h 1 , h 2 , l and . Find the load that the bearing can carry per unit width. What is the load capacity if h 2 = h 1 / 2? Problem 3: A highly viscous oil of density and viscosity seeps with uniform vertical velocity v o into the narrow gap between two closely spaced horizontal circular disks through the porous surface of the bottom disk. Once in the gap, the oil flows radially outward in the space between the twothe bottom disk....
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This note was uploaded on 11/25/2008 for the course MECHENG 320 taught by Professor Im during the Spring '08 term at University of Michigan.

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hw9_sol - The University of Michigan Department of...

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