TC3: Convective and radiative heating of MSRO for simplest kinetic models

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Scientific paper

Numerical simulation results for radiative heating of whole surface of space vehicle Mars Sampler Return Orbiter (MSRO) are presented and analyzed. Two calculation cases are considered: non-catalytic and pseudo-catalytic surface. The calculation data were obtained by the radiative gas dynamic code RGDSV-2 developed in Institute for Problems in Mechanics Russian Academy of Sciences (IPMech RAS), which is intended for study of aerothermodynamics of space vehicles entering planetary atmospheres and for diagnostics of trajectory parameters by measuring spectrum of heat radiation from high-temperature gas around space vehicles. Distinguishing feature of the code is proper prediction of directional spectral emissive power of a space vehicle at its braking trajectory in an atmosphere and also prediction of radiative heating of whole surface of space vehicles. Simplest kinetic models were used for obtaining calculation data presented in the paper in accordance with the Test Case 3 (TC-3) problem statement [1]. Vibrational excitations of diatomic and three atomic molecules were neglected.

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