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FluidsII_midterm2-07

# FluidsII_midterm2-07 - Midterm Exam 2 530.328 Fluid...

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Midterm Exam 2 530.328 - Fluid Mechanics II, Spring 2007 Closed Books (25%) – 10 mins Name : ................................... (2 pages, 10 questions) How do you represent the following irrotational, 2D inviscid flows? (indicate types of flows to superpose and sketch streamlines and flow directions 1. Horizontal flow over horizontal thin flat plate: 2. Injection inside a 120 degree corner: 3. In the preceding flow, identify the location of maximum pressure a. point M b. point N c. point P d. point Q 4. Vortex flow near a wall. 5. Describe flow around a smooth cylinder at a Reynolds number of Re D =2,000 by drawing some streamlines and identifying the following regions (if appropriate) : irrotational flow (IF), wake (W), point of separation (PS), laminar and/or turbulent boundary layer (LBL, TBL identift whether you expect it to exist). M N Q P

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530.322 - Fluid Mechanics II, Spring 2007 Open Books (75%), 45 mins . 1. (40%) A stagnation-point flow of air ( ρ =1.2 kg/m 3 ) impinges upon a horizontal surface as shown in the figure. Consider the flow to be 2-D potential flow. At a height of 1m at point A, the vertical velocity
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