On modeling evaporation

Nebojsa Murisic, Lou Kondic

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We develop a theoretical model for evaporation of a pure liquid drop on a thermally conductive solid substrate. We discuss a variety of effects regarding evaporation regime, the state of the liquid/gas interface and the content of gas phase. Then, we further consider two models: the one resulting from the one-sided non-equilibrium assumption and the other that assumes diffusion-limited regime and equilibrium at the liquid/gas interface. A single governing equation for the evolution of drop thickness is derived for both models. We show that although the model predicts qualitatively different temperature along liquid/gas and liquid/solid interface, the dynamics of the drops is almost the same.

Original languageEnglish (US)
Pages (from-to)277-286
Number of pages10
JournalAnnali dell'Universita di Ferrara
Volume54
Issue number2
DOIs
StatePublished - Dec 1 2008

All Science Journal Classification (ASJC) codes

  • Mathematics(all)

Keywords

  • Evaporation
  • Lubrication approximation
  • Sessile drops

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