Heat and mass transfer with evaporation cooling of a porous plate

All-Russian Conference with the School for Young Scientists “Thermophysics and Physical Hydrodynamics –2016”

Makarova, S.N.^1,2 ; Shibaev, A.A.^1,2

Kutateladze Institute of Thermophysics Siberian Branch of Russian Academy of Science, 1 Lavrentiev ave., Novosibirsk, Russia^1

Nikolaev Institute of Inorganic Chemistry Siberian Branch of Russian Academy of Science, 3 Lavrentiev ave., Novosibirsk, Russia^2

关键词: Adiabatic conditions;    Heat and mass transfer;    Heat and mass transfer process;    Organometallic compounds;    Sublimation temperature;    Theoretical investigations;    Theoretical modeling;    Thermal stabilization;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/754/2/022009/pdf
DOI  :  10.1088/1742-6596/754/2/022009

来源: IOP

【 摘 要 】

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.