Spectrum properties of laser-induced cavitation bubble collapse sound waves

LI Sheng-yong; HU Sheng-liang; LIU Xiao-ran; SHEN Zhong-hua; NI Xiao-wu; JIN Jia-wang

The laser-induced cavitation bubble collapse sound waves during the high-power laser and matter interaction in liquid were experimentally investigated.Laser-induced cavitation bubble collapse sound waves at different conditions were measured with a piezoelectric transducer hydrophone in the experiments,and the signals of sound waves were analyzed based on fast Fourier transform.The investigation results showed the frequency varied with the radius of laser-generated bubble,i.e,the bigger the radius,and the lower the frequency.The results are valuable for theoretical and practical research in cavitation noise.

1. College of Electronics Engineering, Naval University of Engineering, Wuhan 430033, China;

2. Naval Command College, Nanjing 211800, China;

3. Department of Applied Physics, Nanjing University of Science & Technology, Nanjing 210094, China

Received Date: 2006-03-31

Accepted Date: 2006-06-05

Available Online: 2007-06-25

Abstract: The laser-induced cavitation bubble collapse sound waves during the high-power laser and matter interaction in liquid were experimentally investigated.Laser-induced cavitation bubble collapse sound waves at different conditions were measured with a piezoelectric transducer hydrophone in the experiments,and the signals of sound waves were analyzed based on fast Fourier transform.The investigation results showed the frequency varied with the radius of laser-generated bubble,i.e,the bigger the radius,and the lower the frequency.The results are valuable for theoretical and practical research in cavitation noise.

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Reference (10)

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Spectrum properties of laser-induced cavitation bubble collapse sound waves

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