Microimplosions: Cavitation Collapse and Shock Wave Emission on a Nanosecond Time Scale

作者: R. Pecha , B. Gompf

DOI: 10.1103/PHYSREVLETT.84.1328

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

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