Harmonic enhancement of single-bubble sonoluminescence

Xiaozhen Lu, Andrea Prosperetti, Ruediger Toegel, and Detlef Lohse
Phys. Rev. E 67, 056310 – Published 22 May 2003
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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.

  • Received 12 December 2002

DOI:https://doi.org/10.1103/PhysRevE.67.056310

©2003 American Physical Society

Authors & Affiliations

Xiaozhen Lu1, Andrea Prosperetti1,2,*, Ruediger Toegel2, and Detlef Lohse2

  • 1Department of Mechanical Engineering, The Johns Hopkins University, Baltimore, Maryland 21218
  • 2Department of Applied Physics and J.M. Burgers Centre for Fluid Dynamics, University of Twente, AE 7500 Enschede, The Netherlands

  • *Corresponding author.

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Vol. 67, Iss. 5 — May 2003

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