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Heat Transfer Research
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ISSN Imprimir: 1064-2285
ISSN En Línea: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v28.i7-8.60
pages 460-475

Efficiency of a Chemically Neutral Multicomponent Vapor-Gas-Liquid-Solid Wall-Protective Screen. Part. 2. Nonequilibrium Screen

V. M. Repukhov
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine


A mathematical model of a chemically neutral multicomponent vapor-gas-liquid-solid wall-protective screen, both equilibrium and nonequilibrium, is constructed with due regard for phase transformations. The approximate analytical solution of the problem is obtained for all the screen regions in the form of the unified equation of temperature efficiency of the screen both in the general case and in the case of partial or complete analogy of heat and mass transfer or under the assumption of similar profiles of the total temperature and vapor mass content of the screen components. It is shown that two latter models are almost identical and agree quite well with the experiment. The solutions obtained are analyzed and the methods for calculating thermal efficiency of the protective screen are given.

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