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INFLUENCE OF THEBOUNDARY THERMALREGIME ONCHARACTERISTICS OFBILAYER FLOWS UNDERDIFFUSIVE EVAPORATION Bekezhanova V. B.Gilev N. I.2024 год

INFLUENCE OF THE BOUNDARY THERMAL REGIME ON CHARACTERISTICS OF BILAYER FLOWS UNDER DIFFUSIVE EVAPORATION
статья из журнала

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База данных: Каталог библиотеки СФУ
Библиографическое описание: INFLUENCE OF THE BOUNDARY THERMAL REGIME ON CHARACTERISTICS OF BILAYER FLOWS UNDER DIFFUSIVE EVAPORATION : научное издание / V. B. Bekezhanova, N. I. Gilev. - Текст : непосредственный // Journal of Applied Mechanics and Technical Physics. - 2024. - Т. 65, № 5. - P. 829-843. - This work was supported by the Russian Science Foundation (Grant No. 22-11-00243). - ISSN 0021-8944. - ISSN 1573-8620, DOI 10.1134/S0021894424050043.
Аннотация: The characteristics of joint flows of evaporating liquid and a laminar gas stream in a plane horizontal channel are studied based on an exact partially invariant solution of thermosolutal convection equations. The influence of the liquid layer thickness and the conditions for the temperature function on the upper wall of the channel on the rate of evaporation caused by gas pumping is investigated. The exact solution is verified by comparison with experimental data. The linear stability of the exact solutions is studied. It is established that regardless of the type of boundary thermal regime, oscillatory instability in the form of cellular convection always appears in the system. Thermal insulation of the upper wall does not lead to a change in the structure of the most dangerous perturbations, slightly destabilizes the flow in the case of long-wave perturbations, and has a stabilizing effect in the case of short-wave perturbations.
Год издания: 2024
Авторы: Bekezhanova V. B. , Gilev N. I.
Издательство: Pleiades Publishing, Ltd., Moscow
Источник: Journal of Applied Mechanics and Technical Physics
Выпуск: Т. 65, № 5
Номера страниц: 829-843
Держатель оригинала документа: Institute of Computational Modeling, Siberian Branch, Russian Academy of Sciences, Peter the Great St. Petersburg Polytechnic University
Количество экземпляров:
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