Effects of microbubble interaction on occurrence of subharmonics

S. Kanazawa, A. Tsuruoka, Toshihiko Sugiura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Microbubbles insonified by ultrasound show nonlinear oscillation and reflect waves including harmonic and subharmonic signals. Subharmonic imaging can be more useful, though occurrence conditions of subharmonics are not clarified enough. In this study, we investigated effects of microbubble interaction on occurrence of subharmonics. The interaction depends on the distance between two microbubbles and their radius ratios. For different values of these parameters, we numerically calculated the Rayleigh-Plesset equations with these interaction terms added and investigated occurrence conditions of subharmonics. Obtained results show that, by decreasing the distance between the bubbles and increasing the radius of one of the bubbles, the threshold of the pressure amplitude and the transmit frequency for generating subharmonics become lower.

Original languageEnglish
Title of host publicationIEEE International Ultrasonics Symposium, IUS
Pages322-324
Number of pages3
DOIs
Publication statusPublished - 2013
Event2013 IEEE International Ultrasonics Symposium, IUS 2013 - Prague, Czech Republic
Duration: 2013 Jul 212013 Jul 25

Other

Other2013 IEEE International Ultrasonics Symposium, IUS 2013
CountryCzech Republic
CityPrague
Period13/7/2113/7/25

Fingerprint

occurrences
bubbles
Rayleigh equations
radii
interactions
harmonics
oscillations
thresholds

Keywords

  • Bubble interaction
  • Microbubble
  • Subharmonic

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Kanazawa, S., Tsuruoka, A., & Sugiura, T. (2013). Effects of microbubble interaction on occurrence of subharmonics. In IEEE International Ultrasonics Symposium, IUS (pp. 322-324). [6725305] https://doi.org/10.1109/ULTSYM.2013.0083

Effects of microbubble interaction on occurrence of subharmonics. / Kanazawa, S.; Tsuruoka, A.; Sugiura, Toshihiko.

IEEE International Ultrasonics Symposium, IUS. 2013. p. 322-324 6725305.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kanazawa, S, Tsuruoka, A & Sugiura, T 2013, Effects of microbubble interaction on occurrence of subharmonics. in IEEE International Ultrasonics Symposium, IUS., 6725305, pp. 322-324, 2013 IEEE International Ultrasonics Symposium, IUS 2013, Prague, Czech Republic, 13/7/21. https://doi.org/10.1109/ULTSYM.2013.0083
Kanazawa S, Tsuruoka A, Sugiura T. Effects of microbubble interaction on occurrence of subharmonics. In IEEE International Ultrasonics Symposium, IUS. 2013. p. 322-324. 6725305 https://doi.org/10.1109/ULTSYM.2013.0083
Kanazawa, S. ; Tsuruoka, A. ; Sugiura, Toshihiko. / Effects of microbubble interaction on occurrence of subharmonics. IEEE International Ultrasonics Symposium, IUS. 2013. pp. 322-324
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