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On the Dynamics and Acoustics of Cloud Cavitation on an Oscillating Hydrofoil

McKenney, E. A. and Brennen, Christopher E. (1994) On the Dynamics and Acoustics of Cloud Cavitation on an Oscillating Hydrofoil. In: Cavitation and Gas-Liquid Flow in Fluid Machinery and Devices, 1994. Fluids Engineering Division. Vol.FED-190. No.190. American Society of Mechanical Engineers , New York, pp. 195-202. http://resolver.caltech.edu/CaltechAUTHORS:MCKcglffmd94

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Abstract

Observations have been made of the growth and collapse of surface and cloud cavitation on a finite aspect ratio hydrofoil oscillating in pitch. The cavitation was recorded using both still and high-speed motion picture photography, and the variations with cavitation number and reduced frequency of oscillation were investigated. The noise generated by the cavity collapse was also measured and analyzed. The acoustic signals associated with individual cavity collapse events have been synchronized with the motion pictures, providing insights into the correspondence between the flow structures involved in the cavity collapse process and the sound generated by them.


Item Type:Book Section
Additional Information:This research is supported by the Office of Naval Research, contract number N00014-91-J-1295. Thanks also to undergraduate assistant Amit Mehra for his data reduction work.
Record Number:CaltechAUTHORS:MCKcglffmd94
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:MCKcglffmd94
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:129
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:18 Oct 2004
Last Modified:26 Dec 2012 08:39

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