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Analysis of the Cavitating Flow Around the Horn-type Rudder in the Race of a Propeller

Han, Jae-Moon and Kong, Do-Sung and Song, In-Haeng and Lee, Chang-Sup (2001) Analysis of the Cavitating Flow Around the Horn-type Rudder in the Race of a Propeller. 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 (Unpublished) http://resolver.caltech.edu/CAV2001:sessionB9.005

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Abstract

This paper describes numerical methods by a mixed formulation of the boundary value problem (BVP) for the prediction of the cavitating flow around the horn-type rudder working behind a propeller. The blade BVP is treated by the classical vortex lattice method, whereas the rudder BVP is solved by the surface panel method. The three-dimensional flow around the rudder and the propeller is computed simultaneously, considering the interactions between them. A modified kinematic boundary condition is applied to predict the mean velocity and flow volume through gap flow region of the horn-type rudder. To validate the numerical scheme, an experiment is performed in large cavitation tunnel. The surface pressure distributions and cavity patterns on the horn-type rudder are investigated and compared with computational results, showing good agreement with measured results.


Item Type:Conference or Workshop Item (Lecture)
Subject Keywords:cavitation, turbomachinery
Record Number:CAV2001:sessionB9.005
Persistent URL:http://resolver.caltech.edu/CAV2001:sessionB9.005
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:86
Collection:CaltechCONF
Deposited By: Imported from CAV2001
Deposited On:06 May 2001
Last Modified:26 Dec 2012 07:09

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