Experimental and numerical studies of evaporation of a sessile water drop on a heated conductive substrate

Oleg A. Kabov, Elizaveta Ya Gatapova, Andrey A. Semenov, Mahnprit Jutley, Vladimir V. Ajaev, Ekaterina O. Kirichenko, Dmitry V. Feoktistov, Genii V. Kuznetsov, Dmitry V. Zaitsev

Research output: Contribution to journalArticle

Abstract

Experimental and theoretical studies of evaporating droplets of relatively large volume are conducted. Two numerical models are presented and their predictions are discussed in detail. Experiments on droplet evaporation on two substrates of the same chemical composition but different degrees of roughness, produced by spray Teflon and spin Teflon on glass, were conducted with the objective of understanding the effect of roughness and contact angle hysteresis. The influence of the substrate temperature was investigated, showing much faster evaporation for higher temperatures. Droplets under similar conditions were then studied on a more thermally conductive stainless steel substrate, such that the effects of substrate conductivity could be investigated.

Original languageEnglish
Pages (from-to)421-435
Number of pages15
JournalInterfacial Phenomena and Heat Transfer
Volume6
Issue number4
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Evaporation
evaporation
Water
teflon (trademark)
Polytetrafluoroethylene
Substrates
Polytetrafluoroethylenes
water
roughness
Surface roughness
Stainless Steel
Contact angle
sprayers
Hysteresis
Numerical models
stainless steels
chemical composition
Stainless steel
hysteresis
Glass

Keywords

  • Contact angle hysteresis
  • Contact line pinning
  • Convection
  • Evaporation
  • Partial pinning and de-pinning
  • Substrates with different wettability
  • Theory and experiment
  • Thermocapillarity

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Fluid Flow and Transfer Processes

Cite this

Experimental and numerical studies of evaporation of a sessile water drop on a heated conductive substrate. / Kabov, Oleg A.; Gatapova, Elizaveta Ya; Semenov, Andrey A.; Jutley, Mahnprit; Ajaev, Vladimir V.; Kirichenko, Ekaterina O.; Feoktistov, Dmitry V.; Kuznetsov, Genii V.; Zaitsev, Dmitry V.

In: Interfacial Phenomena and Heat Transfer, Vol. 6, No. 4, 01.01.2018, p. 421-435.

Research output: Contribution to journalArticle

Kabov, Oleg A. ; Gatapova, Elizaveta Ya ; Semenov, Andrey A. ; Jutley, Mahnprit ; Ajaev, Vladimir V. ; Kirichenko, Ekaterina O. ; Feoktistov, Dmitry V. ; Kuznetsov, Genii V. ; Zaitsev, Dmitry V. / Experimental and numerical studies of evaporation of a sessile water drop on a heated conductive substrate. In: Interfacial Phenomena and Heat Transfer. 2018 ; Vol. 6, No. 4. pp. 421-435.
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AU - Ajaev, Vladimir V.

AU - Kirichenko, Ekaterina O.

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