Experimental study of the dynamics of a single cavitation bubble excited by a focused laser near the boundary of a rigid wall

被引：3

作者：

Zhang, Xiang-qing ^{[1
]}

Zhang, Xiao-fei ^{[1
]}

Qiu, Xu ^{[1
,2
,3
]}

Gao, Dan ^{[1
,4
]}

Zhang, Yu-ning ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Energy Power & Mech Engn, Key Lab Power Stn Energy Transfer Convers & Syst, Minist Educ, Beijing 102206, Peoples R China

[2] China Atom Energy Publishing & Media Co LTD, Beijing 100048, Peoples R China

[3] China Inst Nucl Ind Strategy, Beijing 100048, Peoples R China

[4] North China Elect Power Univ, Natl Inst Energy Dev Strategy, Beijing 102206, Peoples R China

来源：

JOURNAL OF HYDRODYNAMICS | 2023年 / 35卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Asymmetry; boundary; cavitation bubble; high-speed photography; jet; non-sphericity;

D O I：

10.1007/s42241-023-0069-0

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Based on high-speed photographic experiments, this study presents a detailed qualitative and quantitative analysis of the dynamics of a single cavitation bubble near the boundary of a rigid wall in asymmetric settings. The main findings are reported as follows: (1) The non-sphericity of the bubble interface decreases with increasing spacing between the bubble and the boundary, and the asymmetry of the bubble becomes more significant with increasing asymmetry angle. (2) The motion mode of the bubble cluster in the second oscillation cycle can be divided into two typical modes depending on the direction of movement. (3) The angle between the oblique jet pointing towards the upper wall surface and the horizontal direction in the second oscillation cycle decreases as the dimensionless spacing decreases.

引用

页码：942 / 953

页数：12

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