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# An inward flow radial turbine (see Fig. P5.140) involves a ISBN: 9781118116135 135

## Solution for problem 140 Chapter 5.140

Fundamentals of Fluid Mechanics | 7th Edition

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Problem 140

An inward flow radial turbine (see Fig. P5.140) involves a nozzle angle, a1, of 60and an inlet rotor tip speed, U1, of 30 ft/s. The ratio of rotor inlet to outlet diameters is 2.0. The radial component of velocity remains constant at 20 ft/s through the rotor, and the flow leaving the rotor at section (2) is without angular momentum. If the flowing fluid is water and the stagnation pressure drop across the rotor is 16 psi, determine the loss of available energy across the rotor and the hydraulic efficiency involved.

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ENGR 232 Dynamic Engineering Systems Lecture 3 Dr. Michael Ryan Agenda • Quick Review – Integrating factor • First Order Differential Equations – Existence – Models • Second Order Differential Equations – Models – Homogeneous equations – Auxiliary equation and its...

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##### ISBN: 9781118116135

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