Effect of nuclei concentration on cavitation cluster dynamics

M. Arora; C.D. Ohl; Detlef Lohse

doi:10.1121/1.2722045

Effect of nuclei concentration on cavitation cluster dynamics

M. Arora, C.D. Ohl, Detlef Lohse

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Abstract

Cavitation cluster dynamics after the passage of a single pressure wave is studied for different concentrations of artificial cavitation nuclei (30 to 3×105 nuclei/ml). With increasing concentration of cavitation nuclei the lifetime of the cavitation cluster is prolonged. Additionally, it is found that the spatial extent of the cluster decreases with higher nuclei concentration. The experimental data for concentrations less than 400 nuclei/ml are compared to simulations with a Rayleigh-Plesset-type equation, taking into account bubble-bubble interaction. For higher concentrations (more than 1000 nuclei/ml) the observed radial cluster dynamics is compared with calculations from an axisymmetric cavity-collapse model

Original language	Undefined
Pages (from-to)	3432-3436
Number of pages	5
Journal	The Journal of the Acoustical Society of America
Volume	121
Issue number	6
DOIs	https://doi.org/10.1121/1.2722045
Publication status	Published - 2007

Keywords

METIS-239969
IR-74957

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10.1121/1.2722045

Cite this

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AU - Ohl, C.D.

AU - Lohse, Detlef

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AB - Cavitation cluster dynamics after the passage of a single pressure wave is studied for different concentrations of artificial cavitation nuclei (30 to 3×105 nuclei/ml). With increasing concentration of cavitation nuclei the lifetime of the cavitation cluster is prolonged. Additionally, it is found that the spatial extent of the cluster decreases with higher nuclei concentration. The experimental data for concentrations less than 400 nuclei/ml are compared to simulations with a Rayleigh-Plesset-type equation, taking into account bubble-bubble interaction. For higher concentrations (more than 1000 nuclei/ml) the observed radial cluster dynamics is compared with calculations from an axisymmetric cavity-collapse model

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KW - IR-74957

U2 - 10.1121/1.2722045

DO - 10.1121/1.2722045

M3 - Article

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