Acoustic nonlinearity as a mechanism for liquid drop explosions in drop-chain fountains generated by a focused ultrasound beam

Elena A. Annenkova, Oleg A. Sapozhnikov, Wayne Kreider, Julianna C. Simon

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

Abstract

Ultrasonic atomization has been used in air humidifiers and is also involved in therapeutic applications of intense ultrasound such as boiling histotripsy. An as-yet unexplained phenomenon occurs when a focused ultrasound beam in water creates an acoustic fountain in the form of a drop chain, which explodes in less than a millisecond. In the present paper, we seek to develop a nonlinear theory to explain this phenomenon. We hypothesize that standing wave harmonics are generated inside the water drops due to acoustic nonlinearities, which, along with localized heat deposition in the drop center, may generate a superheated vapor bubble that causes the explosion.

Original languageEnglish (US)
Title of host publication2016 IEEE International Ultrasonics Symposium, IUS 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781467398978
DOIs
StatePublished - Nov 1 2016
Event2016 IEEE International Ultrasonics Symposium, IUS 2016 - Tours, France
Duration: Sep 18 2016Sep 21 2016

Publication series

NameIEEE International Ultrasonics Symposium, IUS
Volume2016-November
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Other

Other2016 IEEE International Ultrasonics Symposium, IUS 2016
CountryFrance
CityTours
Period9/18/169/21/16

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

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    Annenkova, E. A., Sapozhnikov, O. A., Kreider, W., & Simon, J. C. (2016). Acoustic nonlinearity as a mechanism for liquid drop explosions in drop-chain fountains generated by a focused ultrasound beam. In 2016 IEEE International Ultrasonics Symposium, IUS 2016 [7728535] (IEEE International Ultrasonics Symposium, IUS; Vol. 2016-November). IEEE Computer Society. https://doi.org/10.1109/ULTSYM.2016.7728535