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Title: Characterization of the bubble cluster and velocity field in the focal region of a lithotripter
Contributor(s): Buick, James M (author); Cosgrove, JA (author); Eizenhöfer, H (author); Higham, R (author); Royles, R (author)
Publication Date: 2007
Open Access: Yes
DOI: 10.1088/1367-2630/9/7/240
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Abstract: The cavitation bubble cluster and the velocity field in the focal region of a lithotripter are investigated. Images of the bubble cluster were captured which show the bubbles increasing in size over approximately 500 μs before collapsing rapidly. Velocity measurements were obtained using particle image velocimetry. A few milliseconds after the inception of cavitation the velocity field consisted of localized flows with maximum velocities and shear rates of the order of 100 mm s⁻¹ and 50 s⁻¹ respectively. At times 40 ms after cavitation an average uni-directional flow of the order of 10 mm s⁻¹ was observed. The mechanism by which the flow is generated is also considered.
Publication Type: Journal Article
Source of Publication: New Journal of Physics, v.9, p. 1-16
Publisher: Institute of Physics Publishing
Place of Publication: Bristol, United Kingdom
ISSN: 1367-2630
Field of Research (FOR): 020303 Fluid Physics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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