Glycerin at 20C flows downward in the annular region between two cylinders. The internal
Chapter 9, Problem 9.24(choose chapter or problem)
Glycerin at 20C flows downward in the annular region between two cylinders. The internal diameter of the outer cylinder is 3 em, and the external diameter of the inner cylinder is 2.8 em. The pressure is constant along the flow direction. The flow is laminar. Calculate the discharge. (Hint: The flow between the two cylinders can be treated as the flow between two flat plates.)
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