| Issue |
Europhys. Lett.
Volume 64, Number 6, December 2003
|
|
|---|---|---|
| Page(s) | 763 - 768 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00319-x | |
| Published online | 01 November 2003 | |
Equation of motion of the triple contact line along an inhomogeneous surface
ESEME, Service des Basses Températures, DSM/DRFMC,
CEA - Grenoble, France
Corresponding author: vnikolayev@cea.fr
Received:
23
May
2003
Accepted:
9
October
2003
The wetting flows are controlled by the contact line motion. We derive an equation that describes the slow time evolution of the triple solid-liquid-fluid contact line for an arbitrary distribution of defects on a solid surface. The capillary rise along a partially wetted infinite vertical wall is considered. The contact line is assumed to be only slightly deformed by the defects. The derived equation is solved exactly for a simple example of a single defect.
PACS: 68.08.Bc – Wetting / 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion
© EDP Sciences, 2003
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