Heat and mass transfer with evaporation cooling of a porous plate

In this paper the results of experimental and theoretical investigation of heat and mass transfer with adiabatic evaporation of bicomponent water ethanol fluid to an air flow are presented. An innovative test section for the wind tunnel with an active thermal stabilization system, maintaining the cu...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-10, Vol.754 (2), p.22009
Main Authors: Makarova, S N, Shibaev, A A
Format: Article
Language:English
Subjects:
Adiabatic conditions
Air flow
Ethanol
Evaporative cooling
Heat
Heat transfer
Mass transfer
Organometallic compounds
Physics
Porous plates
Sublimation
Surface temperature
Wall temperature
Wind tunnel testing
Wind tunnels
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Summary:In this paper the results of experimental and theoretical investigation of heat and mass transfer with adiabatic evaporation of bicomponent water ethanol fluid to an air flow are presented. An innovative test section for the wind tunnel with an active thermal stabilization system, maintaining the cuvette temperature equal to the evaporation surface temperature, is used to provide the evaporation adiabatic conditions. The wall temperature obtained experimentally shows the presence of expressed quasi-stationary evaporation area, qualitatively similar to sublimation curves of volatile organometallic compounds. A theoretical model based on the similarity of heat and mass transfer processes for each of the evaporating solution component is suggested. This model allows to determine evaporation surface temperature (sublimation temperature) accounting for radiation effect.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/754/2/022009