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Cavitating Flow Simulations Based on the Bubble Dynamics

Tamura, Yoshiaki and Sugiyama, Kazuyasu and Matsumoto, Yoichiro (2001) Cavitating Flow Simulations Based on the Bubble Dynamics. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished) http://resolver.caltech.edu/CAV2001:sessionB5.001

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Abstract

A new numerical method for simulating cavitating flows is developed. The cavitation is modeled with the dynamics of bubbles which radii change with Rayleigh-Plesset equation. The pressure inside of a bubble is modeled from the results of very precise direct simulation of single bubble motion. The bubbles are also allowed to have slip velocities so that the bubble accumulation could be simulated. Pseudocompressibility concept for incompressible flow simulation is extended for the present systems of equations for efficient and robust computations. Computations of two- and three-dimensional cavitating flows verify the present method and show its capability to the practical applications of cavitating flows.


Item Type:Conference or Workshop Item (Lecture)
Subject Keywords:cfd, cavitation, bubbly flow
Record Number:CAV2001:sessionB5.001
Persistent URL:http://resolver.caltech.edu/CAV2001:sessionB5.001
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:106
Collection:CaltechCONF
Deposited By: Imported from CAV2001
Deposited On:23 May 2001
Last Modified:26 Dec 2012 07:09

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