# hw5_Sol - The University of Michigan Department of...

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The University of Michigan Department of Mechanical Engineering ME 320 - Section 1 Homework #5 - Due October 15, 2008 Problem 1: Problems 3.21 and 3.51 of the text. Problem 2: Problems 3.77 and 3.79 of the text. Problem 2: Consider the reservoir system shown in the Fgure. The reservoir is initially Flled to a height H with water of density ρ . At time t = 0, a valve is opened and the water begins to drain through the disks at the bottom. Neglecting viscous e±ects and assuming a large reservoir (so that the velocities in the reservoir are negligible), obtain a di±erential equation governing the ²ow rate Q ( t ) for t 0 in this system. Problem 4: A sanding operation injects 10 5 particles/sec into the air in a room as shown in the Fgure. The amount of dust in the room is kept at a constant level by a ventilating fan that draws clean air into the room at section (1) and expels dusty air at section (2). Consider

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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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hw5_Sol - The University of Michigan Department of...

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