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Alternative TitleLattice Boltzmann simulation of a droplet impact onto flowing liquid film
王小永; 郭加宏; 张崇明
Source Publication水动力学研究与进展A辑
Other AbstractThe Lattice Boltzmann based on single-phase method was used to simulate the free surface flow about the impingement of a liquid droplet onto a flowing liquid film.The fluid fraction,which equals to the mass divided by the density is used to tracking the movement of the free surface.The force induced by the phase interface between the gas and liquid acting on the liquid is added in the model for incorporating the surface tension.Numerical simulations were carried out for impingement of a droplet onto a moving liquid film with different velocity ratio(the velocity of the film divided by the velocity of the droplet) and the relative film thickness(the thickness of the film divided by the diameter of the droplet).By making a comparison between the theoretical and numerical result of a droplet impact onto a static liquid film,the flow phenomena and the intrinsic flow mechanism after a droplet impinging onto a flowing liquid film was analyzed.The rule of radial expansion and height variation of the crown’s rim as a function of time were obtained.The splash condition was also discussed. 
Keyword格子boltzmann方法 单相 液滴冲击 液膜 数值模拟
Subject Area力学
Indexed ByCSCD
Funding Organization国家自然科学基金(10872123,11032007);非线性力学国家重点实验室开放基金资助项目
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Document Type期刊论文
Corresponding Author王小永
Recommended Citation
GB/T 7714
王小永,郭加宏,张崇明. 液滴冲击流动液膜的格子Boltzmann模拟[J]. 水动力学研究与进展A辑,2011,26(4):501-508.
APA 王小永,郭加宏,&张崇明.(2011).液滴冲击流动液膜的格子Boltzmann模拟.水动力学研究与进展A辑,26(4),501-508.
MLA 王小永,et al."液滴冲击流动液膜的格子Boltzmann模拟".水动力学研究与进展A辑 26.4(2011):501-508.
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