Evaporation Rate of a Liquid Layer Streamlined by Gas Flow in Minichannel

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Paper presents the experimental results of mass evaporation rate from ethanol layer surface into a moving in parallel way air flow. Dependences of the mass evaporation rate on the gas velocity, temperature difference between gas and liquid layer, and liquid layer thickness were obtained. The assumption about the formation of the concentration boundary layer at the interface was made. It is found that with increasing the gas flow velocity the gradient of vapor concentration in the gas phase increases; as a result the evaporation rate rises. When changing the liquid layer thickness, the local maximum of evaporation rate was observed, but for 2 mm thickness layer two maxima were found. Probably, it is due the appearance of unstable structures on the liquid surface.

Original languageEnglish
Article number01028
JournalMATEC Web of Conferences
Publication statusPublished - 20 Dec 2016
Event4th International Youth Forum on Smart Grids 2016 - Tomsk, Russian Federation
Duration: 10 Oct 201614 Oct 2016

ASJC Scopus subject areas

  • Chemistry(all)
  • Engineering(all)
  • Materials Science(all)

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