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Numerical Study of the Effect of the Leading Edge Shape on Cavitation around Inducer Blade Sections

Coutier-Delgosha, O. and Reboud, J.L. and Fortes-Patella, R. (2001) Numerical Study of the Effect of the Leading Edge Shape on Cavitation around Inducer Blade Sections. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished)

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A numerical study of the cavitation behaviour of two-dimensional hydrofoils simulating a section of an inducer blade is presented. Two leading edge shapes were chosen to approach rocket engine inducer designs. They was tested with respect to the development of sheet cavitation. The numerical model of cavitating flows is based on the 3D code FINE/TURBOTM, developed by NUMECA International. The cavitation process is taken into account by using a single fluid model, which considers the liquid vapour mixture as a homogeneous fluid whose density varies with respect to the static pressure. Numerical results are compared with experimental ones, obtained in the CREMHyG large cavitation tunnel [Reboud et al. 1996]. Pressure distributions along the foil suction side and the tunnel walls were measured for different cavity lengths. Total pressure measurements along the foil suction side allow characterizing the effects of cavitation on the liquid flow. Influence of the leading edge shape on the cavitation behaviour and comparison between experiments and numerical predictions are discussed.

Item Type:Conference or Workshop Item (Lecture)
Subject Keywords:turbo-pumps, inducer cavitation, numerical simulations of unsteady cavitation
Record Number:CAV2001:sessionB7.003
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Usage Policy:The papers of this symposium proceedings are protected by copyright, retained by the authors. Authors control translation and reproduction rights to these works. However, readers are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format. This permission is in addition to rights of reproduction granted under Section 107, 108, and other provisions of the U.S. Copyright Act.
ID Code:56
Deposited By: Imported from CAV2001
Deposited On:27 Apr 2001
Last Modified:03 Oct 2019 22:49

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