DRIVEN DROPLETS BY THERMOCAPILLARY EFFECT: QUADRATIC DEPENDENCE OF THE SURFACE TENSION ON THE TEMPERATURE

J. R. Mac Intyre; J. M. Gomba; C. A. Perazzo

doi:10.31527/analesafa.2020.31.3.107

DRIVEN DROPLETS BY THERMOCAPILLARY EFFECT: QUADRATIC DEPENDENCE OF THE SURFACE TENSION ON THE TEMPERATURE

J. R. Mac Intyre^*, J. M. Gomba, C. A. Perazzo

^*Corresponding author for this work

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Abstract

We study the migration of droplets on a solid surface which is under a uniform temperature gradient. The present article focus on partial wetting fluids which surface tension depends on the squared temperature. These type of liquids, called self-rewetting, show a complex dynamics and here we will compare with those liquids of linear dependence in the temperature. Unlike to the latter ones, the droplet width increases with the time.

Original language	English
Pages (from-to)	107-111
Number of pages	5
Journal	Anales AFA
Volume	31
Issue number	3
DOIs	https://doi.org/10.31527/analesafa.2020.31.3.107
Publication status	Published - Oct 2020
MoE publication type	A1 Journal article-refereed

Keywords

Marangoni effect
non-monotonic dependence of surface tension
partial wetting condition
MOTION
MIGRATION
DYNAMICS
MINIMUM

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AU - Perazzo, C. A.

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AB - We study the migration of droplets on a solid surface which is under a uniform temperature gradient. The present article focus on partial wetting fluids which surface tension depends on the squared temperature. These type of liquids, called self-rewetting, show a complex dynamics and here we will compare with those liquids of linear dependence in the temperature. Unlike to the latter ones, the droplet width increases with the time.

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DRIVEN DROPLETS BY THERMOCAPILLARY EFFECT: QUADRATIC DEPENDENCE OF THE SURFACE TENSION ON THE TEMPERATURE

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Keywords

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