# HW_4 - Homework Set#4 Due date by 12:00 pm Problem 1 A...

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1 Homework Set #4: Due date: 10/12/10, by 12:00 pm Problem # 1: A Newtonian fluid fills a long cylindrical tube of radius R held vertically as shown. The tube wall is moving upward with velocity V < 0 (V is less than zero if the tube is moving up and z is defined pointing downward as shown below). Meanwhile, pressure and gravity push the fluid in the downward direction (i.e., in the positive z direction). Newtonian fluid inside tube R z cylinder wall moves upward with velocity V a) You are not asked here (in part (a)) to solve for the velocity u z . If you were to do so, you would notice how similar this problem is to BSL Example 3.6-1, and you could use much of that derivation unchanged in this case. What is the last equation in BSL Example 3.6-1 that applies directly to this problem? In other words, what is the last equation in BSL Example 3.6-1 that one could apply directly to this problem without changing anything? Write your answer on your answer sheet, not here, in the form "a) Equation # 3.6-____."

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HW_4 - Homework Set#4 Due date by 12:00 pm Problem 1 A...

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