Heat and mass transfer near contact lines on heated surfaces

Vladimir S. Ajaev, Oleg A. Kabov

Research output: Contribution to journalReview article

16 Citations (Scopus)

Abstract

We provide a comprehensive review of theoretical and experimental studies of several configurations involving liquid-gas interfaces in contact with heated solid substrates which can be either dry or covered with micro- or nanoscale films. Particular attention is paid to the development and experimental validation of mathematical models for the latter case. The gas phase can be pure vapor or moist air, leading to different limiting mechanisms for heat and mass transfer rates. Evaporation at the liquid-gas interface is coupled together with other relevant physical phenomena such as capillarity, London-van der Waals disjoining pressure, Marangoni stresses, diffusion and fluid flow in the gas phase, electrostatic interactions of interfaces, and vapor recoil. All of these are discussed, with the main focus on how they influence the interface shapes and heat transfer rates near contact lines. In particular, conditions are identified for attaining very large local heat fluxes. Selected topics related to contact line instabilities and viscous flows with solid particles under conditions of significant evaporation are discussed, followed by an overview of some open questions and possible new research directions.

Original languageEnglish
Pages (from-to)918-932
Number of pages15
JournalInternational Journal of Heat and Mass Transfer
Volume108
DOIs
Publication statusPublished - 1 May 2017

Fingerprint

mass transfer
Mass transfer
Gases
heat transfer
Heat transfer
Evaporation
Vapors
evaporation
vapors
vapor phases
Capillarity
Liquids
viscous flow
Viscous flow
liquids
Coulomb interactions
gases
microbalances
Contacts (fluid mechanics)
fluid flow

ASJC Scopus subject areas

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

Cite this

Heat and mass transfer near contact lines on heated surfaces. / Ajaev, Vladimir S.; Kabov, Oleg A.

In: International Journal of Heat and Mass Transfer, Vol. 108, 01.05.2017, p. 918-932.

Research output: Contribution to journalReview article

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