Numerical simulation of bubble breakup phenomena in a narrow flow field

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Numerical simulation of bubble breakup phenomena in a narrow flow field

Based on the boundary integral method,a 3D bubble breakup model in a narrow flow field is established,and a corresponding computation program is developed to simulate the symmetrical and asymmetrical bubble breakup.The calculated results are compared with the experimental results and agree with them very well,indicating that the numerical model is valid.Based on the basic behavior of bubbles in a narrow flow field,the symmetrical and asymmetrical bubble breakup is studied systematically using the developed program.A feasibility rule of 3D bubble breakup is presented.The dynamics of sub-bubbles after splitting is studied.The influences of characteristic parameters on bubble breakup and sub-bubble dynamics are analyzed.

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作 者: A-man ZHANG Bao-yu NI Bing-yue SONG Xiong-liang YAO  
作者单位:School of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,P.R.China 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2010 31(4) 
分类号:O351.2 
关键词:bubble   breakup   narrow flow field   sub-bubble   narrow jet  
机标关键词:boundary integral methodflow fieldnumerical modelresultsinfluencesBased 
基金项目:国家自然科学基金,the Inter-national Science and Technology Cooperation Project,the National Science Foundation for Young Scientists of China,中国博士后科学基金 
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