Stereoscopic high-speed recording of bubble filaments

被引:31
作者
Appel, J [1 ]
Koch, P [1 ]
Mettin, R [1 ]
Krefting, D [1 ]
Lauterborn, W [1 ]
机构
[1] Univ Gottingen, Drittes Phys Inst, D-37073 Gottingen, Germany
关键词
acoustic cavitation; bubble motion; high-speed recording; particle model;
D O I
10.1016/S1350-4177(03)00111-1
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Filamentary formations of acoustic cavitation bubbles in an ultrasonic resonator are recorded by high-speed stereoscopic means. The bubble locations and motions are reconstructed in three dimensions, and a velocity distribution of bubbles is obtained. Experimental bubble trajectories are compared to a one-to-one simulation by a particle modeling approach which shows reasonable agreement. Such investigations are important for a better understanding of the mechanisms taking place in applications of intense ultrasound in liquids, and for verification and improvement of particle modeling of cavitation bubbles. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:39 / 42
页数:4
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