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Low-frequency resonance dispersion of sound in the bubble media

Low-frequency resonance dispersion of sound in the bubble media Abstract Results of experimental studies of low-frequency acoustics of gas-liquid bubble media aimed at the check-up of the theory of resonance dispersion of sound of a new type are presented. According to the theory, together with well-known high-frequency dispersion of sound in the gas-liquid media, connected with resonance of volumetric bubble oscillations and, respectively, with resonance compressibility, there should be lowfrequency resonance dispersion of sound caused by resonance of related spheroidal-progressive bubble oscillations and, correspondingly, by resonance of the efficient dynamic density of a medium. It is shown that experimental data on the velocity and attenuation coefficient of sound in the bubble media prove the existence of resonance dispersion caused by related progressive-deformation oscillations of bubbles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Low-frequency resonance dispersion of sound in the bubble media

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References (7)

Publisher
Springer Journals
Copyright
2007 V.S. Fedotovsky and T.N. Vereshchagina
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864307030122
Publisher site
See Article on Publisher Site

Abstract

Abstract Results of experimental studies of low-frequency acoustics of gas-liquid bubble media aimed at the check-up of the theory of resonance dispersion of sound of a new type are presented. According to the theory, together with well-known high-frequency dispersion of sound in the gas-liquid media, connected with resonance of volumetric bubble oscillations and, respectively, with resonance compressibility, there should be lowfrequency resonance dispersion of sound caused by resonance of related spheroidal-progressive bubble oscillations and, correspondingly, by resonance of the efficient dynamic density of a medium. It is shown that experimental data on the velocity and attenuation coefficient of sound in the bubble media prove the existence of resonance dispersion caused by related progressive-deformation oscillations of bubbles.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Sep 1, 2007

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