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TECHNICAL BRIEFS

Flow Visualization of Cavitating, High-Speed, Submerged Water Jets

[+] Author and Article Information
M. Szymczak, S. Tavoularis, A. Fahim

University of Ottawa, Ottawa, Canada

M. M. Vijay

National Research Council, Ottawa, Canada

J. Eng. Ind 113(4), 485-489 (Nov 01, 1991) (5 pages) doi:10.1115/1.2899728 History: Received April 01, 1988; Revised January 01, 1991; Online April 08, 2008

Abstract

Instrumentation and procedures have been developed for the visualization of high-speed, submerged water jets of the type used in cleaning, cutting, and drilling applications. As examples of these techniques, cavitation characteristics of jets produced by two plain conical nozzles as well as by a similar nozzle equipped with a transverse pin are presented. The results can be used to identify the regions of cavity inception, transport, and collapse. A semi-empirical expression relating the extent of the cavitation region to the cavitation index and the nozzle diameter is also presented.

Copyright © 1991 by The American Society of Mechanical Engineers
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