Harmonic enhancement of single-bubble sonoluminescence

Lu, Xiaozhen and Prosperetti, Andrea and Togel, Rudiger and Lohse, Detlef (2003) Harmonic enhancement of single-bubble sonoluminescence. Physical Review E: Statistical, nonlinear, and soft matter physics, 67 (056310). 056310-1. ISSN 1539-3755

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Abstract:	It is known from experiment that the light emission from a sonoluminescing bubble can be increased by using more than one driving frequency. In this paper, a systematic method to determine the optimal conditions of pressure amplitude and relative phase for this effect is described. As a specific application, a two-frequency system¿26.5 kHz and 53 kHz¿is considered. It is found that the maximum temperatures achievable can be appreciably increased with respect to single-frequency drive, still maintaining spherical stability, provided the dissolved inert gas concentration is kept extremely low in order to maintain diffusive stability.
Item Type:	Article
Copyright:	© 2003 The American Physical Society
Faculty:	Science and Technology (TNW)
Research Group:	Physics of Fluids (POF)
Link to this item:	http://purl.utwente.nl/publications/40500
Official URL:	http://dx.doi.org/10.1103/PhysRevE.67.056310
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