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On the evidence for the effect of bubble interference on cavitation noise

Arakeri, Vijay H and Shanmuganathan, V (1985) On the evidence for the effect of bubble interference on cavitation noise. In: Journal of Fluid Mechanics, 159 .

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Abstract

Cavitation-noise measurements from an axisymmetric body with ‘controlled’ generation of cavitation are reported. The control was achieved by seeding artificial nuclei in the boundary layer by electrolysis. It was possible to alter the number density of nuclei by varying the electrolysis voltage, polarity and the geometry of the electrode. From the observed trend of cavitation-noise data it is postulated that there exists an ‘interference effect’ which influences cavitation noise. When the nucleus-number density is high and cavitation numbers are low this effect is strong. Under these conditions the properties of cavitation noise are found to differ considerably from those expected based on theories concerning noise from single-spherical-bubble cavitation.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Cambridge University Press.
Department/Centre: Others
Date Deposited: 18 Aug 2011 08:58
Last Modified: 18 Aug 2011 08:58
URI: http://eprints.iisc.ernet.in/id/eprint/39833

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