Abstract
Description of computing code ASTEROID_HT, which is intended for numerical prediction of spectral optical properties at simulation of radiation gas dynamic (RadGD) and plasmadynamic problems is submitted. The computing code is created for solving of the following problems that are linked with radiation heat transfer in heated gases and hightemperature plasmas at T = 300 ÷ 120 000 K: 1) Numerical simulation of elementary radiation process cross-sections; 2) Creation of spectral, multi-group, total and combined models of absorption and emission coefficients; 3) Creation of optimum radiative models for high-temperature plasmas of complex chemical composition; 4) Creation of electronic databases containing information about plasmas optical properties and intended for solving radiation gas dynamics problems. Examples of spectral optical properties of complex plasma compositions are presented.
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