Stokes law can be used to determine the viscosity of a fluid by dropping a spherical object
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Stokes’ law can be used to determine the viscosity of a fluid by dropping a spherical object in it and measuring the terminal velocity of the object in that fluid. This can be done by plotting the distance traveled against time and observing when the curve becomes linear. During such an experiment a 3-mm-diameter glass ball (ρ = 2500 kg/m3) is dropped into a fluid whose density is 875 kg/m3, and the terminal velocity is measured to be 0.15 m/s. Disregarding the wall effects, determine the viscosity of the fluid.
Transcribed Image Text:
Glass ball FIGURE P15-89 0.15 m/s
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Related Book For
Fundamentals Of Thermal-Fluid Sciences
ISBN: 9781260716979
6th Edition
Authors: Yunus Cengel, John Cimbala, Afshin Ghajar
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