Influence of liquid density on the parametric shape instability of sonoluminescence bubbles in water and sulfuric acid

被引：15

作者：

Godinez, F. A. ^{[1
]}

Navarrete, M. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Ingn, Mexico City 04510, DF, Mexico

来源：

PHYSICAL REVIEW E | 2011年 / 84卷 / 01期

关键词：

STABILITY; TEMPERATURE;

D O I：

10.1103/PhysRevE.84.016312

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Parametric shape instability of sonoluminescing argon bubbles in water and aqueous H2SO4 was numerically analyzed considering gas and liquid density variations. The employed model couples Gilmore, Tait (liquid) and van der Waals (gas) equations to simulate radial dynamics and density changes, respectively. Shape stability-instability zones in the P-a - R-0 space resulted from a linear stability analysis. For the argon-water and argon-water-acid systems, numerical results indicate a rapid rise in both gas and liquid densities during final stages of bubble implosion which result in a stabilizing effect on the parametric instability.

引用

页数：10

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