Microimplosions: Cavitation collapse and shock wave emission on a nanosecond time scale

被引：212

作者：

Pecha, R ^{[1
]}

Gompf, B ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Phys 1, D-70550 Stuttgart, Germany

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.84.1328

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A streak camera with high spatial and temporal resolution was used for imaging the dynamics of the violent collapse in single-bubble sonoluminescence. The high pressure in the last phase of the bubble collapse leads to the emission of a shock wave, which is launched with a shock velocity of almost 4000 m/s. The shock amplitude decays much faster than similar to 1/r. From the strongly nonlinear propagation the pressure in the vicinity of the bubble can be calculated to be in the range of 40-60 kbar.

引用

页码：1328 / 1330

页数：3

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