Shock-wave-induced jetting of micron-size bubbles


Ohl, C.D. and Ikink, R. (2003) Shock-wave-induced jetting of micron-size bubbles. Physical Review Letters, 90 (21). p. 214502. ISSN 0031-9007

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Abstract:Free gas bubbles in water with radii between 7 and 55 µm subjected to a shock wave exhibit a liquid jetting phenomenon with the jet pointing in the direction of the propagating shock wave. With increasing bubble radius, the length of the jet tip increases and a lower estimate of the averaged jet velocity increases linearly from 20 to 150µm/s. At a later stage, the jet breaks up and releases micron-size bubbles. In the course of shock wave permeabilization and transfection of biological cells, this observation suggests a microinjection mechanism when the cells are near bubbles exposed to a shock wave.
Item Type:Article
Additional information:see also News in Phys. Today 56 (2003) July Issue
Copyright:© 2003 The American Physical Society
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