An annulus of narrow clearance causes a very large pressure drop and is useful as an
Chapter 6, Problem p6.89(choose chapter or problem)
An annulus of narrow clearance causes a very large pressure drop and is useful as an accurate measurement of viscosity. If a smooth annulus 1 m long with a 5 50 mm and b 5 49 mm carries an oil flow at 0.001 m3 /s, what is the oil viscosity if the pressure drop is 250 kPa?
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