Mathematical Model of Conjugate Heat and Mass Transfer at Film Condensation

被引：0
|
作者：
F. G. Akhmadiev
M. I. Farakhov
A. A. Akhmitshin
机构：
[1] Kazan State University of Architecture and Engineering,
[2] OOO Inzhenerno-Vnedrencheskii Tsentr “Inzhekhim,undefined
[3] ”,undefined
来源：
Lobachevskii Journal of Mathematics | 2019年 / 40卷
关键词：
mathematical model; conjugate heat and mass transfer; film condensation, computing experiment;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A mathematical model for calculating the thermohydrodynamic situation during film condensation based on the equations of conservation of mass, momentum and energy for the refrigerant in a limited area, the condensate film flowing and the gas phase in a two-dimensional formulation is constructed. The dependence of the viscosity of the working medium on the temperature is taken into account. The boundary conditions of conjugation are specified on the inner wall of the refrigerant flow region, the outer wall through which the condensate film flows, and also at the film-gas interface. The obtained boundary value problem is solved by approximate and numerical methods together with the condition for determining the unknown film thickness, which allows the calculation of all characteristics of the condensation process.
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页码：711 / 717
页数：6
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