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格子Boltzmann方法模拟双液滴撞击液膜的流动过程 被引量：13

Lattice Boltzmann Simulation of Two Liquid Droplets Impacting on a Liquid Film
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摘要 采用单相自由面格子Boltzmann方法中流场计算,自由面条件和表面张力处理方法,研究双液滴撞击液膜的流动过程,实现对垂直间隔的两液滴相继撞击液膜流动过程的模拟.数值结果表明,液滴相继冲击液膜时,液滴间上下距离对液膜状态有很大的影响,液滴间距不同,液膜形状会出现很大差异.数值结果与实验结论定性一致. With single-phase free surface Boltzmann method for flow field, free-surface condition and surface tension approach, we investigate process of two droplets impacting on a liquid film and two droplets with vertical interval successively impacting on a liquid film. Numerical result indicates that vertical distance between two droplets has influence on liquid film. Shape of liquid film changes greatly with intervals between droplets. Numerical result is in accordance with experiment qualitatively.
作者 周轶 郭加宏 陈红勋
机构地区 上海大学上海市应用数学与力学研究所
出处 《计算物理》 EI CSCD 北大核心 2010年第1期31-37,共7页 Chinese Journal of Computational Physics
基金 国家自然科学基金(10772108 10872123) 上海市自然科学基金(08ZR1408100) 教育部创新团队(IRT0844)资助项目
关键词 格子BOLTZMANN方法 自由面 两相流 液滴 lattice Bohzmann method free surface two-phase fluid flows liquid droplet
分类号 O359 [理学—流体力学]
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参考文献11

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二级参考文献11

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共引文献27

同被引文献109

引证文献13

二级引证文献40

计算物理
2010年 第1期

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