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Identification of the Emissivity and Thermal Resistance of Screen-Vacuum Thermal Insulation in a Mathematical Model of Heat Transfer with Lumped Parameters

  • HEAT AND MASS TRANSFER AND PHYSICAL GASDYNAMICS
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High Temperature Aims and scope

Abstract

This paper solves the problem of the identification of a complex of heterogeneous, thermophysical properties that are part of a system of ordinary differential equations of a mathematical model with lumped parameters. The previously developed iterative-variational method is used to regularize an unstable solution of the inverse heat-transfer problem. The results confirm the efficiency of this regularization method and make it possible to study the temperature dependences of the emissivity and thermal resistance of screen-vacuum thermal insulation.

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Funding

The work was supported by the Ministry of Science and High Education of the Russian Federation, project no. 9.9074.2017/BCh.

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Authors and Affiliations

  1. Moscow Aviation Institute (National Research University), 125080, Moscow, Russia

    A. G. Vikulov & A. V. Nenarokomov

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  1. A. G. Vikulov
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  2. A. V. Nenarokomov
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Correspondence to A. G. Vikulov.

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Translated by A. Ivanov

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Vikulov, A.G., Nenarokomov, A.V. Identification of the Emissivity and Thermal Resistance of Screen-Vacuum Thermal Insulation in a Mathematical Model of Heat Transfer with Lumped Parameters. High Temp 58, 112–120 (2020). https://doi.org/10.1134/S0018151X20020200

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  • DOI: https://doi.org/10.1134/S0018151X20020200

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