Pinning of a solid-liquid-vapor interface by stripes of obstacles

被引:4
作者
Andersen, JV [1 ]
Brechet, Y [1 ]
机构
[1] DOMAINE UNIV GRENOBLE,INST NATL POLYTECH GRENOBLE,THERMODYNAM & PHYSICOCHIM MET LAB,F-38402 ST MARTIN DHERES,FRANCE
来源
PHYSICAL REVIEW E | 1996年 / 53卷 / 05期
关键词
D O I
10.1103/PhysRevE.53.5006
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We use a macroscopic Hamiltonian approach to study the pinning of a solid-liquid-vapor contact line on an array of equidistant stripes of obstacles perpendicular to the liquid. We propose an estimate of the density of pinning stripes for which collective pinning of the contact line happens. This estimate is shown to be in good agreement with Langevin equation simulation of the macroscopic Hamiltonian. Finally we introduce a two-dimensional mean field theory that for small strength of the pinning stripes and for small capillary length gives an excellent description of the averaged height of the contact line.
引用
收藏
页码:5006 / 5010
页数:5
相关论文
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