Volume 64, Number 6, December 2003
|Page(s)||763 - 768|
|Section||Condensed matter: structure, mechanical and thermal properties|
|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: email@example.com
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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