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# Water enters a pump impeller radially. It leaves the

ISBN: 9781118116135 135

## Solution for problem 138 Chapter 5.138

Fundamentals of Fluid Mechanics | 7th Edition

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Fundamentals of Fluid Mechanics | 7th Edition

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Problem 138

Water enters a pump impeller radially. It leaves the impeller with a tangential component of absolute velocity of 10 m/s. The impeller exit diameter is 60 mm, and the impeller speed is 1800 rpm. If the stagnation pressure rise across the impeller is 45 kPa, determine the loss of available energy across the impeller and the hydraulic efficiency of the pump.

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Introduction (Part 1) What is mechanics  The science that describes and predicts the conditions of rest or motion of bodies under the action of forces.  What happens to this body o Does it move (Dynamic) o Does it stay still (Static) o Does it deform/ deflect Mechanics is Comprised of Multiple Topics  Rigid bodies o...

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