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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 (Unpublished)

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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
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ID Code:118
Deposited By: Imported from CAV2001
Deposited On:03 Jun 2001
Last Modified:03 Oct 2019 22:49

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