Bubble Oscillations in the Nearly Adiabatic Limit



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The Journal of the Acoustical Society of America


Miksis and Ting [J. Acoust. Soc. Am. 81, 1331 (1987)] reported examples of a marked increase of the radius of an oscillating gas bubble as predicted by their nearly adiabatic model. They attributed this phenomenon to a process of rectified heat transfer into the bubble. By comparison with a more complete model which contains the nearly adiabatic one as an approximation, it is shown that the real cause of this result is instead the error inherent in the approximation. This error arises primarily from the failure of the approximation to capture the complex behavior of the gas temperature and manifests itself in a spurious growth of the mass of gas contained in the bubble. In addition to being more accurate, the more complete model is also found to be less computationally demanding than the approximate one.



Thermodynamic states and processes


Copyright 1992 The Journal of the Acoustical Society of America. Recommended citation: Kamath, V., H. N. Oguz, and A. Prosperetti. "Bubble oscillations in the nearly adiabatic limit." The Journal of the Acoustical Society of America 92, no. 4 (1992): 2016-2023. DOI: 10.1121/1.405253 URL: 10.1121/1.405253 Reproduced in accordance with the original publisher’s licensing terms and with permission from the author(s).