线张力作用下微纳米尺度液滴的非线性粘附

吕存景; 殷雅俊; 郑泉水

线张力作用下微纳米尺度液滴的非线性粘附

清华大学航天航空学院工程力学系,北京 100084

基金项目: 国家自然科学基金资助项目(10572076;10672089)

详细信息

作者简介:
吕存景(1981- ),男,河南南阳人,硕士研究生;殷雅俊(1964- ),男,河南人,教授,博士,博士生导师(联系人.Tel:+86-10-62795536;E-mail:yinyj@mail.tsinghua.edu.cn).

中图分类号: O345；O11
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出版历程
- 收稿日期: 2008-09-02
- 修回日期: 2008-09-16
- 刊出日期: 2008-10-15

Nonlinear Effects of Line Tension in Adhesion of Small Droplets

Department of Engineering Mechanics, School of Aerospace, Tsinghua University, Beijing 100084, P. R. China

摘要

摘要: 三相接触线上的线张力对微纳米尺度液滴的粘附行为有至关重要的影响．首次在由表面张力、线张力和液滴尺度组成的全参数空间中研究了液滴粘附的非线性行为．研究表明：液滴粘附解空间可以被归纳为4个特征区；在每个特征区内，液滴的粘附行为是相同的；在具有高度非线性的特征区中，给定材料体系，存在着多重粘附态；液滴粘附解空间中存在着两个公共不动点．这些新结果，与数值计算和实验观测相符合．
- 微纳米尺度液滴 /
- 粘附 /
- 线张力 /
- 非线性
Abstract: Three-phase line tensions may become crucial in the adhesion of micro-nano or small droplets on solid planes.For the first time the nonlinear effects in adhesion spanned the full physically possible parameter ranges of surface tensions,line tensions,and droplet sizes are studied.It is shown that the nonlinear adhesion solution spaces can be characterized into four districts.Within each district the adhesion behaves essentially the same.Especially,inside the characteristic districts with violent nonlinearities,the co-existence of multiple adhesion states for given materials is disclosed.Besides, two common fixed points in the solution space are revealed.The above new results are consistent with numerical analysis and experimental observations in the literatures.
- small droplets /
- adhesion /
- line tension /
- nonlinearity

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参考文献(47)

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线张力作用下微纳米尺度液滴的非线性粘附

作者简介:
吕存景(1981- ),男,河南南阳人,硕士研究生;殷雅俊(1964- ),男,河南人,教授,博士,博士生导师(联系人.Tel:+86-10-62795536;E-mail:yinyj@mail.tsinghua.edu.cn).

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Nonlinear Effects of Line Tension in Adhesion of Small Droplets

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线张力作用下微纳米尺度液滴的非线性粘附

作者简介: 吕存景(1981- ),男,河南南阳人,硕士研究生;殷雅俊(1964- ),男,河南人,教授,博士,博士生导师(联系人.Tel:+86-10-62795536;E-mail:yinyj@mail.tsinghua.edu.cn).

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出版历程

Nonlinear Effects of Line Tension in Adhesion of Small Droplets

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出版历程

目录

作者简介:
吕存景(1981- ),男,河南南阳人,硕士研究生;殷雅俊(1964- ),男,河南人,教授,博士,博士生导师(联系人.Tel:+86-10-62795536;E-mail:yinyj@mail.tsinghua.edu.cn).