两球形颗粒间横向毛细力的格子Boltzmann研究

梁功有; 曾忠; 张永祥; 张良奇; 谢海琼; 陈昱

doi:10.3879/j.issn.1000-0887.2013.05.002

两球形颗粒间横向毛细力的格子Boltzmann研究

doi: 10.3879/j.issn.1000-0887.2013.05.002

¹重庆大学资源及环境科学学院工程力学系, 重庆 400044;²重庆大学煤矿灾害动力学与控制国家重点实验室,重庆 400044;³东京大学新领域创成科学研究科人间环境学专攻,东京 1138656

基金项目: 国家自然科学基金资助项目（10872222;50921063）;高等学校博士学科点专项科研基金资助项目（20110191110037）

详细信息

作者简介:
梁功有（1983—），男，河南人，博士生(E-mail: gyliang2003@gmail.com);曾忠（1968—），教授，博士生导师（通讯作者.E-mail: zzeng@cqu.edu.cn）

中图分类号: O357.1
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- 文章访问数: 1976
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出版历程
- 收稿日期: 2013-03-25
- 修回日期: 2013-04-07
- 刊出日期: 2013-05-15

Lateral Capillary Forces Between Two Spherical Particles: a Lattice Boltzmann Study

¹Department of Engineering Mechanics, College of Resource and Environment Science, Chongqing University, Chongqing 400044, P.R.China;²State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, P.R.China;³Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 1138656, Japan

摘要

摘要: 采用以Shan-Chen多组分模型为基础的格子Boltzmann-伪固体模型对两颗粒间的浮体和浸润横向毛细力展开数值模拟研究，其中流体-固体间的相互作用及颗粒润湿性质在介观层次上采用简单形式得以充分考虑．三维测试表明，与已有理论解相比，成功再现了横向毛细力与颗粒间距的“1/L”关系，并确认了浸润横向毛细力与表面张力间的线性关系．这表明可进一步应用该模型研究横向毛细力作用下的颗粒自聚集等现象.
- 格子Boltzmann方法 /
- 固-液两相流 /
- 横向毛细力 /
- 流体动力学相互作用
Abstract: A three-dimensional simulation study on the lateral capillary forces (LCFs) between two floating and immersion spherical particles was carried out, using a modeling approach introduced in the framework of Shan-Chen lattice Boltzmann model for multi-component fluids. Solid-fluid interactions and wetting property of a colloidal particle could be taken into account at the mesoscopic level using a simple manner. Results show good agreement with theoretical results, and the so called “1/L” theory is demonstrated. At the same time, the linear relationship between immersion LCF and fluid interfacial tension for fixed interparticle distance is well achieved. These demonstrate that the model is a promising tool for the simulation of phenomenon such as self-assemblies of colloidal particles.
- lattice Boltzmann method /
- solid-liquid two-phase flow /
- lateral capillary forces /
- hydrodynamic interactions

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参考文献(25)

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文章访问数: 1976
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两球形颗粒间横向毛细力的格子Boltzmann研究

doi: 10.3879/j.issn.1000-0887.2013.05.002

作者简介:
梁功有（1983—），男，河南人，博士生(E-mail: gyliang2003@gmail.com);曾忠（1968—），教授，博士生导师（通讯作者.E-mail: zzeng@cqu.edu.cn）

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Lateral Capillary Forces Between Two Spherical Particles: a Lattice Boltzmann Study

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两球形颗粒间横向毛细力的格子Boltzmann研究

doi: 10.3879/j.issn.1000-0887.2013.05.002

作者简介: 梁功有（1983—），男，河南人，博士生(E-mail: gyliang2003@gmail.com);曾忠（1968—），教授，博士生导师（通讯作者.E-mail: zzeng@cqu.edu.cn）

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出版历程

Lateral Capillary Forces Between Two Spherical Particles: a Lattice Boltzmann Study

计量

出版历程

目录

作者简介:
梁功有（1983—），男，河南人，博士生(E-mail: gyliang2003@gmail.com);曾忠（1968—），教授，博士生导师（通讯作者.E-mail: zzeng@cqu.edu.cn）