Adaptive Phase-Field Modeling of Anisotropic Wetting with Line Tension at the Triple Junction

被引：1
|
作者：
Yeh, S. Y. [1 ]
Lan, C. W. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan
来源：
LANGMUIR | 2015年 / 31卷 / 34期
关键词：
CONTACT-ANGLE; BOUNDARY-CONDITIONS; GROOVED SURFACES; ENERGY; DROP; EQUILIBRIUM; DEPENDENCE; GROWTH; VOLUME;
D O I：
10.1021/acs.langmuir.5b02175
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Line tension could affect the contact angle at triple junction, especially in micro- to nanoscale wetting. We have developed an adaptive phase-field model to consider the line tension quantitatively. This model is coupled to-the smoothed boundary method for treating the contact line with the solid phase, while the volume constraint is imposed. Our calculated contact angles are in good agreement with the modified Young's equation. Further examples are illustrated for the anisotropic wetting on hydrophilic/hydrophobic stripes and rectangular grooves.
引用
收藏
页码：9348 / 9355
页数：8
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