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TECHNICAL BRIEFS

An Experimental Investigation of Buoyant Transient Cavity Collapse Near Rigid Cylindrical Boundaries

[+] Author and Article Information
J. P. Best

Aeronautical and Maritime Research Laboratory (AMRL)-DSTO, P.O. Box 4331, Melbourne, VIC, 3001, Australia

W. K. Soh, C. F. Yu

Department of Mechanical Engineering, University of Wollongong, Northfields Ave., Wollongong, NSW, 2522, Australia

J. Fluids Eng 118(1), 195-198 (Mar 01, 1996) (4 pages) doi:10.1115/1.2817502 History: Received February 08, 1995; Revised September 21, 1995; Online December 04, 2007

Abstract

An experimental investigation was carried out upon spark discharge generated transient cavities undergoing motion in the neighborhood of a rigid cylinder, in order to investigate the interaction between the Bjerknes attraction of the rigid cylinder and the buoyancy force. It was found that upon collapse, the direction of migration and liquid jet formation occurs at a characteristic angle. The experimental observations support the postulate that the direction of the Kelvin impulse at collapse bears close correlation with the direction of migration and jet formation.

Copyright © 1996 by The American Society of Mechanical Engineers
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