Mechanisms of cavitation erosion by single laser-induced bubble collapsing near solid boundary

Rui Zhao; Rong-qing Xu; Zhong-cheng Liang; Jian Lu; Xiao-wu Ni

doi:10.1117/12.837126

23 November 2009 Mechanisms of cavitation erosion by single laser-induced bubble collapsing near solid boundary

Rui Zhao, Rong-qing Xu, Zhong-cheng Liang, Jian Lu, Xiao-wu Ni

Proceedings Volume 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications; 750803 (2009) https://doi.org/10.1117/12.837126
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

The cavitation erosion by laser-induced bubble collapsing near solid boundary is investigated employing a new force sensor together with a hydrophone. The experimental results indicate that liquid-jet formation and acoustic transient emission are both predominant features on the cavitation erosion; both the liquid jet and the acoustic transient play a vital role in the erosion mechanism during the first two stage of bubble collapse. Finally, the erosion mechanism during the first two collapse of the cavitation bubble is summarized and presented.

Citation Download Citation

Rui Zhao, Rong-qing Xu, Zhong-cheng Liang, Jian Lu, and Xiao-wu Ni "Mechanisms of cavitation erosion by single laser-induced bubble collapsing near solid boundary", Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 750803 (23 November 2009); https://doi.org/10.1117/12.837126

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