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Unformatted text preview: D = 20 cm The following measurements were made; drag force D = 0.85 N , tunnel speed of U = 15 ml s , density of air p = 1.2 kg I m3, the viscosity of the air p=1.8x10-5~-slm2 , . ~ ' b ~ 1 .) Calculate the drag coefficient -b t. 0 .Bw __---- = 0, % 7 ,- -t 7 s 0,osl+mZ 2.) Calculate the Reynolds number for this test k0 3.) Based on these calculations, describe what the flow is likely to be like over the surface of the sphere....
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This note was uploaded on 04/08/2008 for the course M E 320 taught by Professor Sonnenmeier,james during the Spring '07 term at Pennsylvania State University, University Park.
- Spring '07