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The lifetimes of evaporating sessile droplets are significantly extended by strong thermal effects

Research output: Contribution to journalArticle

  • F. G. H. Schofield
  • S. K. Wilson
  • D. Pritchard
  • K. Sefiane

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Original languageEnglish
Pages (from-to)231-244
Number of pages14
JournalJournal of Fluid Mechanics
Volume851
Early online date19 Jul 2018
DOIs
Publication statusE-pub ahead of print - 19 Jul 2018

Abstract

The evaporation of sessile droplets is analysed when the influence of the thermal properties of the system is strong. We obtain asymptotic solutions for the evolution, and hence explicit expressions for the lifetimes, of droplets when the substrate has a high thermal resistance relative to the droplet and when the saturation concentration of the vapour depends strongly on temperature. In both situations we find that the lifetimes of the droplets are significantly extended relative to those when thermal effects are weak.

    Research areas

  • condensation/evaporation, phase change, thin films, SUBSTRATE, SURFACE, TRANSPORT, DROPS, PURE

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