On the coalescence of sessile drops with miscible liquids

被引：0
|
作者：
R. Borcia
M. Bestehorn
机构：
[1] Brandenburgische Technische Universität,Lehrstuhl Statistische Physik/Nichtlineare Dynamik
来源：
The European Physical Journal E | 2011年 / 34卷
关键词：
Surface Tension; Contact Angle; Liquid Droplet; Sessile Drop; Static Contact Angle;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Sessile drops sitting on highly wettable solid substrates fuse in qualitatively different ways after contact, depending on the surface tension gradients between the mixing droplets. In early time evolution the drop coalescence can be fast or delayed (intermittent). In long time evolution a secondary drop formation can occur. We study numerically droplet dynamics during coalescence in two and three spatial dimensions, within a phase field approach. We discuss criteria to distinguish different coalescence regimes. A comparison with recent experiments will be done.
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