A New Way to Represent Jet Pump Performance

[+] Author and Article Information
D. F. Elger, E. T. McLam, S. J. Taylor

Mechanical Engineering Department, University of Idaho, Moscow, ID 83843

J. Fluids Eng 113(3), 439-444 (Sep 01, 1991) (6 pages) doi:10.1115/1.2909515 History: Received September 25, 1990; Online May 23, 2008


Researchers commonly represent jet pump performance with a Head-Ratio, Flow-Ratio curve (HR/FR curve). Our goals are to show that the HR/FR curve has several problems and to propose a new way to represent jet pump performance. Analysis shows that a HR/FR curve does not give enough information to predict the operating point of a system which includes a jet pump. Moreover, the way a HR/FR curve specifies data can force a designer to estimate head losses inside a jet pump and can make data acquisition very difficult. We propose using two curves to represent jet pump performance. Use of the two curves eliminates the problems of the HR/FR curve.

Copyright © 1991 by The American Society of Mechanical Engineers
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