Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses

Yuri A. Pishchalnikov, Oleg A. Sapozhnikov, Michael R. Bailey, Irina V. Pishchalnikova, James Williams, James A. McAteer

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Measurements using a fiber-optic probe hydrophone, high-speed camera, and B-mode ultrasound showed attenuation of the trailing negative-pressure phase of a lithotripter shock pulse under conditions that favor generation of cavitation bubbles, such as in water with a high content of dissolved gas or at high pulse repetition rate where more cavitation nuclei persisted between pulses. This cavitation-mediated attenuation of the acoustic pulse was also observed to increase with increasing amplitude of source discharge potential, such that the negative-pressure phase of the pulse can remain fixed in amplitude even with increasing source discharge potential.

Original languageEnglish
Pages (from-to)280-286
Number of pages7
JournalAcoustic Research Letters Online
Volume6
Issue number4
DOIs
StatePublished - Oct 2005

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cavitation flow
shock
pulses
attenuation
dissolved gases
high speed cameras
hydrophones
pulse repetition rate
fiber optics
bubbles
nuclei
acoustics
probes
water

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Pishchalnikov, Y. A., Sapozhnikov, O. A., Bailey, M. R., Pishchalnikova, I. V., Williams, J., & McAteer, J. A. (2005). Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses. Acoustic Research Letters Online, 6(4), 280-286. https://doi.org/10.1121/1.2127115

Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses. / Pishchalnikov, Yuri A.; Sapozhnikov, Oleg A.; Bailey, Michael R.; Pishchalnikova, Irina V.; Williams, James; McAteer, James A.

In: Acoustic Research Letters Online, Vol. 6, No. 4, 10.2005, p. 280-286.

Research output: Contribution to journalArticle

Pishchalnikov, YA, Sapozhnikov, OA, Bailey, MR, Pishchalnikova, IV, Williams, J & McAteer, JA 2005, 'Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses', Acoustic Research Letters Online, vol. 6, no. 4, pp. 280-286. https://doi.org/10.1121/1.2127115
Pishchalnikov, Yuri A. ; Sapozhnikov, Oleg A. ; Bailey, Michael R. ; Pishchalnikova, Irina V. ; Williams, James ; McAteer, James A. / Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses. In: Acoustic Research Letters Online. 2005 ; Vol. 6, No. 4. pp. 280-286.
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