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Theoretical, Quasi-Static Analysis of Cavitation Compliance in Turbopumps

Brennen, C. and Acosta, A. J. (1973) Theoretical, Quasi-Static Analysis of Cavitation Compliance in Turbopumps. Journal of Spacecraft and Rockets, 10 (3). pp. 175-180. ISSN 0022-4650.

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The serious POGO instability experienced by many liquid propellant rockets results from a closed loop interaction between the first longitudianl structural mode of vibration and the dynamics of the propulsion system. One of the most important features in the latter is the cavitation compliance of the turbopumps. This report presents calculations of the blade cavitation compliance obtained from free streamline cascade theory and demonstrates the various influences of angle of attack, blade angle, blade thickness and cavitation number. Discrepancies between calculated and experimentally derived values are discussed.

Item Type:Article
Additional Information:Received July 12, 1972; revision received October 24, 1972. This work was carried out under NASA Contract NAS8-28046. "Originally published as 'Theoretical, Quasi-Static Analysis of Cavitation Compliance in Turbopumps', C. Brennen and A. J. Acosta. Journal of Spacecraft and Rockets 10(3):175-180 March 1973. Copyright 1973 by the American Institute of Aeronautics and Astronautics, Inc. Reprinted with permission."
Subject Keywords:Liquid Rocket Engines; Multiphase Flows; Hydrodynamics
Issue or Number:3
Record Number:CaltechAUTHORS:BREjsr73
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49
Deposited By: Christopher Brennen
Deposited On:25 Aug 2004
Last Modified:02 Oct 2019 22:16

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