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传热学
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ISSN 打印: 1064-2285
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传热学

DOI: 10.1615/HeatTransRes.v29.i6-8.20
pages 374-382

The Identification of Mass Transfer Parameters in the Diffusion and Oxidation Model for Alloys in Gas Turbine Blades

P. G. Krukovskiy
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine
Ye. S. Kartavova
Institute of Engineering Thermophysics, Ukrainian National Academy of Sciences, Ukraine

ABSTRACT

The study presents the formulation of and results of solving inverse mass transfer problems for oxidation and diffusion processes in alloys used in gas turbine blades.
The study also presents the method and results of solving theoretical and practical problems of identifying diffusion and absorption coefficients of the alloying element and oxidant in the alloy and a mass transfer coefficient of the oxidant between the gas medium and the surface of the oxidized alloy entering into the mathematical model previously considered by the authors.