Mechanical and Materials Engineering Homework Solutions
#7373
Dimensional Analysis and Dynamic Similtude
Determine the specific gravity of spherical particles, D=(1/200 in), which drop through air at 33degrees F at a speed U of 0.3 ft/s. The drag force on a small sphere in laminar motion is given by 3(pi)(mu)DU.
This problem is in Fluid Mechanics by Victor Streeter and the answer given is 0.185.
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