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Simple Rules for Cavitation Instabilities in Turbomachinery

Tsujimoto, Yoshinobu (2001) Simple Rules for Cavitation Instabilities in Turbomachinery. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished) http://resolver.caltech.edu/CAV2001:lecture.006

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Abstract

The present paper focuses on the correlation of cavitation instabilities in turbomachinery with steady cavity length, or a parameter sigma/(2*alpha). A linear stability analysis shows that various types of cavitation instabilities start to occur when the steady cavity length becomes larger than 65% of the blade spacing. Experimental evidence for this will be reviewed. If we apply this rule in a cross flow plane, the effects of leading edge sweep to suppress cavitation instabilities can be reasonably explained by using a corrected parameter in cross flow. This will also be addressed.


Item Type:Conference or Workshop Item (Lecture)
Record Number:CAV2001:lecture.006
Persistent URL:http://resolver.caltech.edu/CAV2001:lecture.006
Usage Policy:The papers of this symposium proceedings are protected by copyright, retained by the authors. Authors control translation and reproduction rights to these works. However, readers are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format. This permission is in addition to rights of reproduction granted under Section 107, 108, and other provisions of the U.S. Copyright Act.
ID Code:118
Collection:CaltechCONF
Deposited By: Imported from CAV2001
Deposited On:03 Jun 2001
Last Modified:26 Dec 2012 07:09

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