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Investigation of noninertial cavitation produced by an ultrasonic horn

Birkin, Peter R., Offin, Douglas G., Vian, Christopher J.B., Leighton, T.G. and Maksimov, Alexey O. (2011) Investigation of noninertial cavitation produced by an ultrasonic horn Journal of the Acoustical Society of America, 130, (5), pp. 3297-3308. (doi:10.1121/1.3650537).

Record type: Article


This paper reports on noninertial cavitation that occurs beyond the zone close to the horn tip to which the inertial cavitation is confined. The noninertial cavitation is characterized by collating the data from a range of measurements of bubbles trapped on a solid surface in this noninertial zone. Specifically, the electrochemical measurement of mass transfer to an electrode is compared with high-speed video of the bubble oscillation. This gas bubble is shown to be a “noninertial” event by electrochemical surface erosion measurements and “ring-down” experiments showing the activity and motion of the bubble as the sound excitation was terminated. These measurements enable characterization of the complex environment produced below an operating ultrasonic horn outside of the region where inertial collapse can be detected. The extent to which solid boundaries in the liquid cause the frequencies and shapes of oscillatory modes on the bubble wall to differ from their free field values is discussed.

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Published date: September 2011
Organisations: Acoustics Group


Local EPrints ID: 337484
ISSN: 0001-4966
PURE UUID: 2a56b774-21ce-4f19-9246-8090ab17551d
ORCID for T.G. Leighton: ORCID iD

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Date deposited: 25 Apr 2012 16:26
Last modified: 18 Jul 2017 06:03

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Author: Peter R. Birkin
Author: Douglas G. Offin
Author: Christopher J.B. Vian
Author: T.G. Leighton ORCID iD
Author: Alexey O. Maksimov

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