Complete Pump Characteristics and the Effects of Specific Speeds on Hydraulic Transients

[+] Author and Article Information
Benjamin Donsky

Technical Engineering Analysis Branch, Division of Design, Bureau of Reclamation, U. S. Department of Interior, Denver, Colo.

J. Basic Eng 83(4), 685-696 (Dec 01, 1961) (12 pages) doi:10.1115/1.3662299 History: Received January 19, 1961; Online November 04, 2011


This paper presents complete pump characteristics of specific speeds 1800, 7600, and 13,500 (gpm units) in the ν – hP (flow ratio-head ratio) co-ordinate system. The method of developing these complete pump characteristics from test data is described. The three complete pump characteristics are compared, and the effects of specific speed on hydraulic transients caused by power failure or pump shutoff is presented.

Copyright © 1961 by ASME
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