New insights into the capillary retention force and the work of adhesion

Rafael de la Madrid; Huy Luong; Jacob Zumwalt

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arXiv · 2205.12180

New insights into the capillary retention force and the work of adhesion

Rafael de la Madrid·Huy Luong·Jacob Zumwalt

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Abstract

We calculate the normal capillary retention force that anchors a drop to a solid surface in the direction perpendicular to the surface, and study the relationship between such force and the Young-Dupre work of adhesion. We also calculate the work necessary to create or destroy a patch of solid-liquid interface by moving the triple line on a solid substrate. We argue that when the capillary number is small and a drop is sliding on a surface at constant speed, the lateral retention force is the major source of energy dissipation, whereas viscous dissipation plays a minor role.

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Rafael de la Madrid, Huy Luong, Jacob Zumwalt. 2022-05-24. New insights into the capillary retention force and the work of adhesion. https://arxiv.org/abs/2205.12180

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