IN Class Practice Problems Flow past immersed objects

# IN Class Practice Problems Flow past immersed objects

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1 Dr. Nabila Shamim In Class Activity Flow past immersed objects 1. A small particle of dust may be considered a sphere. It has the density of 100 lb m /ft 3 and a diameter of 0.0001 in. it is settling in still air at 68oF and has been doing so for long time. How fast it is falling? 2. A solid steel sphere with SG 7.85 and a diameter of 0.02 m is falling at its terminal velocity through water. What is the velocity? 3. A smooth steel (SG = 7.86) sphere is immersed in a stream of ethanol at 20°C moving at 1.5
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• Spring '14
• SukeshK.Aghara
• Fluid Dynamics, terminal velocity, Stokes' law, Dr. Nabila Shamim

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