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Fluid Dynamics

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01-12-2022

Methods for Calculation of Thermal Radiation Transfer in Computer Models of Aerophysics

Author: S. T. Surzhikov

Published in: Fluid Dynamics | Special Issue 2/2022

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Abstract

In this paper, two methods for calculating the transfer of thermal radiation, which were used in solving problems of aerothermodynamics of descent space capsules: the method of discrete directions (the ray-tracing method) and the method of half-moments are considered in detail. The specificity of the first calculation method is the correct consideration of the angular dependence of the spectral intensity of thermal radiation, which makes it universal in solving two-dimensional and three-dimensional problems. The second method is intended for efficient solution of quasi-one-dimensional problems in the theory of selective thermal radiation transfer, including radiation transfer in the spectral lines of atoms and ions.

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Title: Methods for Calculation of Thermal Radiation Transfer in Computer Models of Aerophysics
Author: S. T. Surzhikov
Publication date: 01-12-2022
Publisher: Pleiades Publishing
Published in: Fluid Dynamics / Issue Special Issue 2/2022
Print ISSN: 0015-4628
Electronic ISSN: 1573-8507
DOI: https://doi.org/10.1134/S0015462822100627

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The Radiative Gas Dynamics of Spherical Spacecraft in the Martian Atmosphere

Application of Quasistationary eRC-Models for Calculating Nonequilibrium Radiation of Shock Waves at Velocities of Approximately 10 km/s

Numerical Models of Electron Kinetics in the Problem of Transverse Flow around a Cylindrical Model by a Supersonic Gas Flow

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