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Research Papers

Cavitation and NPSH Requirements of Various Liquids

[+] Author and Article Information
Victor Salemann

Research and Development Section, Worthington Corporation, Harrison, N. J.

J. Basic Eng 81(2), 167-174 (Jun 01, 1959) (8 pages) doi:10.1115/1.4008404 History: Received August 04, 1958; Published June 01, 1959; Online February 20, 2019

Abstract

Test results on the net positive suction head, NPSH, requirements for centrifugal pumps handling water up to 420 F, some hydrocarbons, and Freon-11 are presented. Satisfactory pump performance was observed with net positive suction heads less than those required by the pump on cold water. A direct measurement of NPSH was attempted and is reported. The cavitation process is discussed and a correlation and method of prediction for all liquids is proposed.

Copyright © 1959 by ASME
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