A small gas bubble in a liquid, when driven by intense ultrasound, collapses and emits light in a process called Single-Bubble Sonoluminescence (SBSL). While the dynamics of driven bubbles are well studied, less is known of the physical conditions in the gas or whether it is necessary to include ionisation in simpler studies of bubble dynamics. In this study, a model was derived from Rayleigh-Plesset dynamics, a van der Waals equation of state and the first law of thermodynamics (including interfacial heat transfer and ionisation). Stronger model ionisation reduced the maximum collapse temperature, and altered other collapse characteristics. Chaotic parameter regions are proximal to, but not coincident with, known stable SL regions. Resonant behaviour was only markedly affected by ionisation close to these chaotic regions. © Australian Mathematical Society 2006.

Item Type:	Refereed Article
Research Division:	Chemical Sciences
Research Group:	Physical Chemistry (incl. Structural)
Research Field:	Chemical Thermodynamics and Energetics
Objective Division:	Expanding Knowledge
Objective Group:	Expanding Knowledge
Objective Field:	Expanding Knowledge in the Mathematical Sciences
Author:	Munro, AIS (Mr Angus Munro)
Author:	Forbes, LK (Professor Larry Forbes)
ID Code:	39155
Year Published:	2006
Web of Science® Times Cited:	1
Deposited By:	Mathematics
Deposited On:	2006-08-01
Last Modified:	2012-03-05
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