The influence of liquid temperature on the sonoluminescence hot spot

Vi Q. Vuong, Marios M. Fyrillas, Andrew J. Szeri

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

An explanation is provided for the influence of relatively small changes in liquid temperature on the hot spot within a sonoluminescence bubble. This influence derives from a change in the (stable) equilibrium mass of the bubble due to a variation of the gas solubility in the liquid with temperature. If the acoustic drive amplitude is held constant, a change in the liquid temperature has a large or small effect depending on the variability of the solubility with temperature. For a gas like xenon, which has rapidly decreasing solubility in water with increasing temperature, a decrease in water temperature shifts the stable mass exchange equilibrium to a smaller bubble size. This increases the ratio of maximum to minimum bubble radius over an acoustic cycle, resulting in a much higher hot spot temperature. In contrast helium has very little variation of solubility with temperature near room temperature; therefore the hot spot temperature is relatively insensitive to variations in the liquid temperature outside a helium bubble.

Original languageEnglish
Pages (from-to)2073-2076
Number of pages4
JournalJournal of the Acoustical Society of America
Volume104
Issue number4
DOIs
Publication statusPublished - Oct 1998
Externally publishedYes

Fingerprint

sonoluminescence
liquids
bubbles
solubility
temperature
helium
Temperature
Liquid
water temperature
acoustics
gases
xenon
cycles
radii
Bubble

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

The influence of liquid temperature on the sonoluminescence hot spot. / Vuong, Vi Q.; Fyrillas, Marios M.; Szeri, Andrew J.

In: Journal of the Acoustical Society of America, Vol. 104, No. 4, 10.1998, p. 2073-2076.

Research output: Contribution to journalArticle

Vuong, Vi Q. ; Fyrillas, Marios M. ; Szeri, Andrew J. / The influence of liquid temperature on the sonoluminescence hot spot. In: Journal of the Acoustical Society of America. 1998 ; Vol. 104, No. 4. pp. 2073-2076.
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