Robert Mettin: abstract ISNA16_4

Dynamics of a bimodal bubble cavitation cluster in a bipolar acoustic pulse

G.N. Sankin(1), R. Mettin(2), R. Geisler(2), W. Lauterborn(2), D.V. Voronin(1), and V.S. Teslenko(1)

(1) Lavrentyev Institute of Hydrodynamics,
pr. ac. Lavrentyeva, 15, 630090 Novosibirsk, Russia

(2) Drittes Physikalisches Institut, Universität Göttingen,
Bürgerstraße 42-44, D-37073 Göttingen, Germany


Abstract

Dynamics of cavitation cluster in a focusing shock wave far from boundaries is investigated. An electromagnetic generator of a convergent acoustic pulse with a strong rarefaction component from a transducer as a spherical segment was used. Two fractions of bubbles (growing and collapsing in an internal positive pressure) were revealed on the early stage of formation of the cluster.


in: O.V. Rudenko and O.A. Sapozhnikov (eds.),
Nonlinear Acoustics at the Beginning of the 21st Century,
Proceedings of the 16th International Symposium on Nonlinear Acoustics (ISNA-16),
Faculty of Physics, MSU, Moscow, 2002, vol. 2, pp. 1011-1014.


pdf-file (476 kB)

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