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An analytical model for micro-droplet steady movement on the hydrophobic wall of a micro-channel

机译:微通道疏水壁上微滴稳定运动的分析模型

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摘要

Based on a macroscopic force balance analysis, an analytical solution in terms of dynamic contact angle is obtained for steady velocity of a droplet driven by a shear flow and moving on the hydrophobic wall of a microchannel. The multiphase free-energy 3-D Lattice Boltzmann method (LBM) is applied to simulate the deformation of the droplet in order to obtain the dynamic contact angle of the moving micro-droplet in the analytical solution. The droplet velocities predicted by the analytical solution are found in good agreement with the LBM simulation results.
机译:基于宏观力平衡分析,获得了动态接触角的解析解,以解决由剪切流驱动并在微通道疏水壁上移动的液滴的稳定速度。应用多相自由能3-D格子Boltzmann方法(LBM)模拟液滴的变形,以获得分析溶液中移动的微液滴的动态接触角。发现分析溶液预测的液滴速度与LBM模拟结果非常吻合。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2010年第6期|1243-1246|共4页
  • 作者

    Liang Hao; Ping Cheng;

  • 作者单位

    Ministry of Education Key Laboratory of Power Machinery and Engineering, School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200240, PR China;

    Ministry of Education Key Laboratory of Power Machinery and Engineering, School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200240, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    analytical model; droplet; movement; lattice boltzmann method; dynamic contact angle;

    机译:分析模型水滴;运动;点阵博兹曼法动态接触角;

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