An experimental investigation of the heat transfer dynamics during evaporation of a single liquid drop on a sapphire substrate

V. V. Cheverda, T. G. Ponomarenko, I. V. Marchuk, A. L. Karchevsky

Результат исследования: Научные публикации в периодических изданияхстатья по материалам конференциирецензирование

Аннотация

The paper is devoted to an experimental study of the heat transfer dynamics during evaporation of a single liquid drop on a heated horizontal surface, which is a sapphire glass coated with a high heat-resistant black graphite paint. The method employed in research can be used to study the heat and mass transfer processes in the gas-liquid-solid contact line region with maximum heat transfer coefficient. Its particular feature as compared to the previously known methods is the solution of the initial-boundary problem for the heat conductivity equation, which in terms of mathematics is a correct problem. Using the thermography method, the sapphire surface temperature fields after single drop impingement are determined. The data obtained will be used to calculate the heat flux density in the region of the contact line of the drop.

Язык оригиналаанглийский
Номер статьи012126
ЖурналJournal of Physics: Conference Series
Том1677
Номер выпуска1
DOI
СостояниеОпубликовано - 3 дек 2020
Событие36th Siberian Thermophysical Seminar, STS 2020 - Novosibirsk, Российская Федерация
Продолжительность: 5 окт 20207 окт 2020

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