The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2015
Session ID : 1707
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1707 Visualization of shock wave caused by generation of laser-induced bubble using BOS technique
Hiromichi ARIMOTOKen KURIHARAKeita AKIKiichi SHIDAMasanori OTAKazuo maeno
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
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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© 2015 The Japan Society of Mechanical Engineers
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