Self-Similar Solution to the Problem of Unsteady Film Condensation on a Vertical Semi-Infinite Plate-Reference-Cited by-同舟云学术

Self-Similar Solution to the Problem of Unsteady Film Condensation on a Vertical Semi-Infinite Plate

Published:2023-11-01 Issue:6 Volume: Page:48-58
ISSN:1024-7084
Container-title:Известия Российской академии наук. Механика жидкости и газа
language:
Short-container-title:Izvestiâ Akademii nauk. Rossijskaâ akademiâ nauk. Mehanika židkosti i gaza

Author:

Kuroedov A. A.¹,Laptev I. V.¹,Suvorov A. V.¹²,Cherkasov S. G.¹

Affiliation:

1. State Scientific Center of the Russian Federation “Keldysh Research Center”

2. The Moscow Institute of Physics and Technology (National Research University)

Abstract

Changes in the regimes of condensate film flow along the underlying surface in the presence of a body force are considered within the framework of a simplified physical and mathematical model of hydrodynamic and thermal processes occurring under unsteady film condensation on a vertical semi-infinite plate. The model is used to determine the applicability conditions of the zero-gravity approximation when considering film condensation. It is found that the validity of using the zero-gravity approximation to calculate the film thickness growth rate on any plate section depends not only on the magnitude of the body force, but also on time and distance between this section and the leading edge of the plate.

Publisher

The Russian Academy of Sciences

Reference17 articles.

1. Теория тепломассообмена: учебник для вузов / под ред. А.И. Леонтьева. 3-е изд., испр. и доп. М.: Издательство МГТУ им. Н.Э. Баумана, 2018. 462 с.

2. Исаченко В.П., Осипова В.А., Сукомел А.С. Теплоперадача. Учебник для вузов 3-е изд., пер. и доп. М.: Энергия, 1975. 488 с.

3. Ажаев В.С., Черкасов С.Г. Развитие гидродинамической неустойчивости при пленочной конденсации на цилиндрической трубке в невесомости // Изв. РАН. МЖГ. 1995. № 6. С. 106–110.

4. Ажаев В.С., Черкасов С.Г. Стационарный режим конденсации насыщенного пара на конической поверхности в условиях невесомости // ТВТ. 1996. Т. 34. № 5. С. 816–819.

5. Kuznetsov S.A., Cherkasov S.G. Investigation of the heat transfer and evolution of the condensate film during saturated vapor condensation on a tube in zero gravity and on a cone in gravity // Russ. J. Eng. Thermophys. 2000. V. 10. № 3. P. 187–199.