A concentric cylinder viscometer may be formed by rotating the inner member of a pair of closely
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A concentric cylinder viscometer may be formed by rotating the inner member of a pair of closely fitting cylinders. The annular gap is small so that a linear velocity profile will exist in the liquid sample. Consider a viscometer with an inner cylinder of 4 in. diameter and 8 in. height, and a clearance gap width of 0.001 in., filled with castor oil at \(90^{\circ} \mathrm{F}\). Determine the torque required to turn the inner cylinder at \(400 \mathrm{rpm}\).
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Related Book For
Fox And McDonald's Introduction To Fluid Mechanics
ISBN: 9781118912652
9th Edition
Authors: Philip J. Pritchard, John W. Mitchell
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