Determination of the Size Distribution of Sonoluminescence Bubbles in a Pulsed Acoustic Field

A simple method is described for determining the size of sonoluminescence bubbles generated by acoustic cavitation. The change in the intensity of sonoluminescence, from 4 ms pulses of 515 kHz ultrasound, as a function of the “off” time between acoustic pulses, is the basis of the method. The bubble...

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Veröffentlicht in:	Journal of the American Chemical Society 2005-12, Vol.127 (48), p.16810-16811
Hauptverfasser:	Lee, Judy, Ashokkumar, Muthupandian, Kentish, Sandra, Grieser, Franz
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Other luminescence and radiative recombination Physics Sonoluminescence, triboluminescence
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Beschreibung
Zusammenfassung:	A simple method is described for determining the size of sonoluminescence bubbles generated by acoustic cavitation. The change in the intensity of sonoluminescence, from 4 ms pulses of 515 kHz ultrasound, as a function of the “off” time between acoustic pulses, is the basis of the method. The bubble size determined in water was in the range of 2.8−3.7 μm.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja0566432