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Steady Analysis of Thermodynamic Effect of Partial Cavitation Using Singularity Method

[+] Author Affiliations
Satoshi Watanabe, Akinori Furukawa

Kyushu University, Fukuoka, Japan

Tatsuya Hidaka

Osaka University, Toyonaka, Osaka, Japan

Hironori Horiguchi, Yoshinobu Tsujimoto

Osaka University, Osaka, Japan

Paper No. FEDSM2005-77387, pp. 567-573; 7 pages
doi:10.1115/FEDSM2005-77387
From:
  • ASME 2005 Fluids Engineering Division Summer Meeting
  • Volume 2: Fora
  • Houston, Texas, USA, June 19–23, 2005
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-4199-5 | eISBN: 0-7918-3760-2
  • Copyright © 2005 by ASME

abstract

It is well known that the suction performance of turbopumps in cryogenic fluids is much better than that in cold water because of thermodynamic effect of cavitation. In the present study, an analytical method to simulate partially cavitating flow with the thermodynamic effect in a cascade is proposed; heat transfer between the cavity and the ambient fluid is modeled by one-dimensional unsteady heat conduction model under the slender body approximation and is coupled with a flow analysis using singularity methods. In this report, the steady analysis is performed and the results are compared with those of experiments to validate the model of the present analysis. This analysis can be easily extended into unsteady stability analysis for cavitation instabilities such as rotating cavitation and cavitation surge.

Copyright © 2005 by ASME
Topics: Cavitation

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