Shock wave emissions of a sonoluminescing bubble

被引：142

作者：

Holzfuss, J ^{[1
]}

Rüggeberg, M ^{[1
]}

Billo, A ^{[1
]}

机构：

[1] Tech Univ Darmstadt, Inst Angew Phys, D-64289 Darmstadt, Germany

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.81.5434

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A single bubble in water is excited by a standing ultrasound wave. At high intensity the bubble starts to emit light. Together with the emitted light pulse, a shock wave is generated in the liquid at collapse time. The time-dependent velocity of the outward-traveling shock is measured with an imaging technique. The pressure in the shock and in the bubble is shown to have a lower limit of 5500 bars. Visualization of the shock and the bubble at different phases of the acoustic cycle reveals previously unobserved dynamics during stable and unstable sonoluminescence. [S0031-9007(98)07896-X].

引用

页码：5434 / 5437

页数：4

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