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RESEARCH PAPERS

Propeller Sheet Cavitation Predictions Using a Panel Method

[+] Author and Article Information
A. C. Mueller, S. A. Kinnas

ECJ 8.502, Ocean Engineering Group, Department of Civil Engineering, The University of Texas at Austin, Austin, TX 78712

J. Fluids Eng 121(2), 282-288 (Jun 01, 1999) (7 pages) doi:10.1115/1.2822204 History: Received October 14, 1997; Revised February 24, 1999; Online January 22, 2008

Abstract

A boundary element method is used to predict the time-dependent cavitation on a propeller subject to nonaxisymmetric inflow. The convergence of the method is studied. The predicted cavities agree well with those observed in CAPREX, an experiment performed at MIT’s variable pressure water tunnel. The method is modified so that prediction of cavities detaching at mid-chord regions is possible. An algorithm for predicting the cavity detachment location on the blade is described and applied on a blade geometry which exhibits mid-chord cavitation.

Copyright © 1999 by The American Society of Mechanical Engineers
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