Cooling of a microchannel with thin evaporating liquid film sheared by dry gas flow

Yu O. Kabova, V. V. Kuznetsov

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

A joint motion of thin liquid film and dry gas in a microchannel is investigated numerically at different values of initial concentration of the liquid vapor in the gas phase, taking into account the evaporation process. Major factors affecting the temperature distribution in the liquid and the gas phases are as follows: transfer of heat by liquid and gas flows, heat loses due to evaporation, diffusion heat exchange. Comparisons of the numerical results for the case of the dry gas and for the case of equilibrium concentration of vapor in the gas have been carried out. It is shown that use of dry gas enhances the heat dissipation from the heater. It is found out that not only intense evaporation occurs near the heating areas, but also in both cases vapor condensation takes place below the heater in streamwise direction.

Язык оригиналаанглийский
Номер статьи012007
Число страниц6
ЖурналJournal of Physics: Conference Series
Том925
Номер выпуска1
DOI
СостояниеОпубликовано - 9 ноя 2017

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