A cylinder of mass m slides down from rest in a vertical tube whose inner surface is
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A cylinder of mass m slides down from rest in a vertical tube whose inner surface is covered by a viscous oil of film thickness h. If the diameter and height of the cylinder are D and L, respectively, derive an expression for the velocity of the cylinder as a function of time, t. Discuss what will happen as t → ∞. Can this device serve as a viscometer?
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D Cylinder Oil film, h L
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To derive an expression for the velocity of the cylinder as a function of time well consider the forces acting on the cylinder as it slides down the v...View the full answer
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Related Book For
Fluid Mechanics Fundamentals And Applications
ISBN: 9780073380322
3rd Edition
Authors: Yunus Cengel, John Cimbala
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