Interactions between a central bubble and a surrounding bubble cluster

IF 3.2 3区 工程技术 Q2 MECHANICS
A-Man Zhang , Shi-Min Li , Pu Cui , Shuai Li , Yun-Long Liu
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引用次数: 6

Abstract

The interaction of multiple bubbles is a complex physical problem. A simplified case of multiple bubbles is studied theoretically with a bubble located at the center of a circular bubble cluster. All bubbles in the cluster are equally spaced and own the same initial conditions as the central bubble. The unified theory for bubble dynamics [35] is applied to model the interaction between the central bubble and the circular bubble cluster. To account for the effect of the propagation time of pressure waves, the emission source of the wave is obtained by interpolating the physical information on the time axis. An underwater explosion experiment with two bubbles of different scales is used to validate the theoretical model. The effect of the bubble cluster with a variation in scale on the pulsation characteristics of the central bubble is studied.

中心气泡和周围气泡团之间的相互作用
多气泡的相互作用是一个复杂的物理问题。从理论上研究了一种简化的多气泡情况,其中一个气泡位于圆形气泡簇的中心。星系团中的所有气泡间距相等,并且具有与中心气泡相同的初始条件。采用气泡动力学的统一理论[35]对中心气泡与圆形气泡团之间的相互作用进行建模。为了考虑压力波传播时间的影响,将物理信息插值到时间轴上,得到了压力波的发射源。用两个不同尺度气泡的水下爆炸实验对理论模型进行了验证。研究了气泡簇尺度变化对中心气泡脉动特性的影响。
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来源期刊
CiteScore
6.20
自引率
2.90%
发文量
545
审稿时长
12 weeks
期刊介绍: An international journal devoted to rapid communications on novel and original research in the field of mechanics. TAML aims at publishing novel, cutting edge researches in theoretical, computational, and experimental mechanics. The journal provides fast publication of letter-sized articles and invited reviews within 3 months. We emphasize highlighting advances in science, engineering, and technology with originality and rapidity. Contributions include, but are not limited to, a variety of topics such as: • Aerospace and Aeronautical Engineering • Coastal and Ocean Engineering • Environment and Energy Engineering • Material and Structure Engineering • Biomedical Engineering • Mechanical and Transportation Engineering • Civil and Hydraulic Engineering Theoretical and Applied Mechanics Letters (TAML) was launched in 2011 and sponsored by Institute of Mechanics, Chinese Academy of Sciences (IMCAS) and The Chinese Society of Theoretical and Applied Mechanics (CSTAM). It is the official publication the Beijing International Center for Theoretical and Applied Mechanics (BICTAM).
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