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Cavitation Bubbles in a Starting Submerged Water Jet

Nakano, Kenta and Hayakawa, Michio and Fujikawa, Shigeo and Yano, Takeru (2001) Cavitation Bubbles in a Starting Submerged Water Jet. 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 (Unpublished) http://resolver.caltech.edu/CAV2001:sessionA7.005

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Abstract

The behavior of cavitation bubbles in a starting submerged water jet discharging from a circular nozzle is studied by a simple photography technique in a moderately low range of jet exit velocity. A number of small spherical bubbles are initially generated in a starting vortex formed at the jet tip and often connected circumferentially with each other in the form similar to a vortex ring. Nearly axisymmetric lumps of disconnected bubbles are also observed frequently. By analyzing photographic data acquired from the side and end view pictures of the ring-like bubbles, their average properties, such as trajectory, geometry and size, are evaluated.


Item Type:Conference or Workshop Item (Lecture)
Subject Keywords:submerged water jet, cavitation bubbles, starting vortex
Record Number:CAV2001:sessionA7.005
Persistent URL:http://resolver.caltech.edu/CAV2001:sessionA7.005
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:81
Collection:CaltechCONF
Deposited By: Imported from CAV2001
Deposited On:02 May 2001
Last Modified:26 Dec 2012 07:09

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