Abstract
Mathematical modeling of space vehicle “Soyuz-TM” flight data on spectral radiation emission is performed with the use of computer platform NERAT(3D)+ASTEROID. This computer platform intended for solving full system of radiative gasdynamic equations of viscous, heat conductive, physically and chemically nonequilibrium gas, as well as for solving the radiation heat transfer equations in 3D geometries. Obtained calculation data are compared with experimental flight data for spectral emission generated by high temperature gas originating around space vehicle “Soyuz-TM”. Results of systematic calculations of radiative gas dynamics of “Soyuz-TM” are presented in the form of atlas of the calculated data. For each point of trajectory the following data are presented: threedimensional fields of translational temperature and velocity, three-dimensional fields of mass fractions of N2, O2, and NO, three-dimensional fields of translational temperature and pressure, axial distributions of translational and vibrational temperatures, as well as distributions of mass fractions along the stagnation line.
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