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Remarks on Cavitation in Turbomachines

Acosta, A. J. and Hollander, A. (1959) Remarks on Cavitation in Turbomachines. California Institute of Technology , Pasadena, CA. (Unpublished)

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Starting with the occurrence and discussion of the importance of cavitation in turbomachines, the development of the various stages of cavitation in a machine is reviewed, followed by a discussion of the various dimensionless parameters used to describe cavitating performance in a turbomachine. The calculations of optimum inlet diameter are carried out in terms of assumed acceptable cavitation parameters. Various methods of determining the minimum cavitation number before cavitation breakdown are explored, and a free streamline model of the flow in a simplified impeller is used to obtain theoretical estimates of the extent of cavitation as a function of blade geometry and angle of attack. Some recent work of the effect of the thermodynamic properties of the fluid on the cavitation performance is examined and the various assumptions used in these theories are criticized.

Item Type:Report or Paper (Technical Report)
Additional Information:Office of Naval Research Department of the Navy Contract Nonr-220(24). Report No. 79.3.
Funding AgencyGrant Number
Office of Naval Research (ONR)Nonr-220(24)
Record Number:CaltechAUTHORS:20150604-163246659
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58024
Deposited By: Kristin Buxton
Deposited On:13 Oct 2015 19:27
Last Modified:03 Oct 2019 08:31

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