1707 Visualization of shock wave caused by generation of laser-induced bubble using BOS technique
The Proceedings of the Fluids engineering conference(2015)
摘要
The Cavitation reduces the performance of the fluid device. When the cavitation bubbles collapse, it will causes the shock wave and sometimes causes the micro-jet towards the wall. We visualized the laser-induced bubbles using BOS(Background Oriented Schlieren) method. The BOS technique is one of the visualization techniques, which enable us to perform experiments with simple optical system, and it requires a high-speed camera, a background image and a light source across to illuminate a background. The principle of BOS technique is similar to conventional Schlieren technique. As a result we have been able to visualize the density information of the shock wave induced by laser.
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关键词
shock wave,bubble,laser-induced
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