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

Research output: Contribution to journalArticleScientificpeer-review

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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 languageEnglish
Pages (from-to)107-111
Number of pages5
JournalAnales AFA
Volume31
Issue number3
DOIs
Publication statusPublished - Oct 2020
MoE publication typeA1 Journal article-refereed

Keywords

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

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