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锥形微通道内液滴自输运特性及力学驱动机制研究

逄明华 刘焜 刘小君

逄明华, 刘焜, 刘小君. 锥形微通道内液滴自输运特性及力学驱动机制研究[J]. 应用数学和力学, 2017, 38(3): 284-294. doi: 10.21656/1000-0887.370158
引用本文: 逄明华, 刘焜, 刘小君. 锥形微通道内液滴自输运特性及力学驱动机制研究[J]. 应用数学和力学, 2017, 38(3): 284-294. doi: 10.21656/1000-0887.370158
PANG Ming-hua, LIU Kun, LIU Xiao-jun. Droplets’ Directional Motion Characteristics in Conical Microchannels and Driving Mechanisms[J]. Applied Mathematics and Mechanics, 2017, 38(3): 284-294. doi: 10.21656/1000-0887.370158
Citation: PANG Ming-hua, LIU Kun, LIU Xiao-jun. Droplets’ Directional Motion Characteristics in Conical Microchannels and Driving Mechanisms[J]. Applied Mathematics and Mechanics, 2017, 38(3): 284-294. doi: 10.21656/1000-0887.370158

锥形微通道内液滴自输运特性及力学驱动机制研究

doi: 10.21656/1000-0887.370158
基金项目: 国家自然科学基金(51375132)
详细信息
    作者简介:

    逄明华(1977—),男,博士生(E-mail: pangminghua909@163.com);刘焜(1963—),男,教授,博士生导师(通讯作者. E-mail: liukun@hfut.edu.cn).

  • 中图分类号: TB17

Droplets’ Directional Motion Characteristics in Conical Microchannels and Driving Mechanisms

Funds: The National Natural Science Foundation of China(51375132)
  • 摘要: 针对液体在微通道内的自输运特性,采用数值仿真与能量解析相结合的方法研究了液滴在锥形微通道内的自输运特性及力学驱动机制,得到微通道的锥形角、液滴与微通道内壁的接触角及微通道的润湿性对液滴自输运特性的影响关系.分析表明,微通道的锥形角、液滴与微通道内壁的接触角均能影响液滴的自输运方向及驱动力大小.对于亲水性微通道,微通道的锥形角、液滴与微通道内壁的接触角其作用效果呈现整体形态;对于疏水性微通道,微通道的锥形角、液滴与微通道内壁的接触角其作用效果呈现局域形态.这可为研究液体在微通道内的自输运机理及界面内液体细观流动机制奠定理论基础.
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出版历程
  • 收稿日期:  2016-05-23
  • 修回日期:  2016-06-14
  • 刊出日期:  2017-03-15

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