Evaporation and heat and mass transfer of a sessile drop of aqueous salt solution on heated wall

S. Y. Misyura

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)


The droplets evaporation of water and aqueous salt solution were experimentally studied. The impact of various key factors on the evaporation has been estimated. Typically when considering evaporation of droplets, only the diffusive vapor-gas transfer and the molecular heat conduction are taken into account. However, vapor-gas convection plays an important role at droplets evaporation. The qualitative behavior of gas convection for water and aqueous salt solution is substantially different. The neglect of gas convection in the prediction leads to manifold underestimation of the evaporation rate compared with the experimental data. With a growth of salt concentration with time, the influence of the convective component first increases, reaches an extremum and then significantly decreases. The evaporation at nucleate boiling in the liquid drop is divided into several characteristic time intervals.

Original languageEnglish
Pages (from-to)667-674
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Publication statusPublished - 1 Jan 2018


  • Aqueous salt solution
  • Droplet evaporation rate
  • Gas convection

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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