Quasi-Three-Dimensional Analysis of Cavitation in an Inducer-Reference-Cited by-同舟云学术

Quasi-Three-Dimensional Analysis of Cavitation in an Inducer

Published:2004-09-01 Issue:5 Volume:126 Page:709-715
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Horiguchi Hironori¹,Arai Souhei²,Fukutomi Junichiro³,Nakase Yoshiyuki³,Tsujimoto Yoshinobu¹

Affiliation:

1. Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan

2. Business Logistics Division, Mazda Motor Corporation, Hiroshima, 730-8670, Japan

3. Faculty of Engineering, The University of Tokushima, Tokushima, 770-8506, Japan

Abstract

A method for the prediction of steady cavitation in turbopumps is proposed on the assumption that the fluid is inviscid and the stream surface is rotationally symmetric. The analysis in the meridian plane is combined with that in a blade-to-blade stream surface where a singularity method based on a closed cavity model is used. The present method is applied to a helical inducer and it is found that the influence of the three-dimensionality of the flow on cavitation mainly appears as the change of angle of attack associated with the change of meridional velocity caused by the movement of meridian streamline in radial direction.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/126/5/709/5628426/709_1.pdf

Reference15 articles.

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2. Dupont, P., and Okamura, T., 2002, “Cavitating Flow Calculations in Industry,” Proceedings, 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-9), Honolulu, Hawaii, FD-ABS-146, pp. 1–8.

3. Coutier-Delgosha, O., Morel, P., Fortes-Patella, R., and Reboud, J. L., 2002, “Numerical Simulation of Turbopump Inducer Cavitating Behavior,” FD-ABS-127, Proceedings, 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-9), Honolulu, Hawaii, pp. 1–12.

4. Okita, K., and Kajishima, T., 2002, “Three-Dimensional Computation of Unsteady Cavitating Flow in a Cascade,” FD-ABS-076, Proceedings, 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-9), Honolulu, Hawaii, pp. 1–8.

5. Acosta, A. J., 1958, “An Experimental Study of Cavitating Inducers,” ONR/ACR-38, Proceedings, 2nd Symposium on Naval Hydrodynamics, pp. 533–557.

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