The Influence of the Cavitation Nucleus Spectrum on Cavitation Inception, Investigated With a Scattered Light Counting Method

[+] Author and Article Information
A. Keller

Research Laboratory for Hydraulic Engineering, The Technical University of Munich, Munich, West Germany

J. Basic Eng 94(4), 917-925 (Dec 01, 1972) (9 pages) doi:10.1115/1.3425590 History: Received June 09, 1972; Online October 27, 2010


For model tests on cavitation inception, the knowledge of the size distribution and frequency of occurrence of free nuclei is important. For this reason, an optical measuring method was developed for determining the bubble nuclei spectrum. In conjunction with measuring the bubble nuclei spectrum, a set of tests on cavitation inception was carried through, with each test leading basically to the same conclusions: The number and size of the bubble nuclei in water are dependent on the history of the particular water and on its content of contamination particles; the cavitation inception at a submerged body is strongly affected by the bubble nuclei content.

Copyright © 1972 by ASME
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