Abstract
Radiation of a strong shock wave propagating in air at heights H ≤ 50 km with velocity D=20–50 km/sec is investigated. From the solution of a self-consistent radiation-gasdynamic problem with real thermodynamic and optical properties of air the distributions of gasdynamic parameters and radiant fluxes in the heating region ahead of the front and in the relaxation zone behind a viscous shock are obtained. The characteristics of radiation generated by the shock wave and going to “infinity” are determined. Calculations of integral and spectral radiation fluxes on the earth’s surface at different stages of the motion of a large asteroid in the atmosphere are given.
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Stepanov, K.L., Stankevich, Y.A. & Stanchits, L.K. Radiation of strong shock waves propagating in the earth’s atmosphere. J Eng Phys Thermophys 72, 1111–1120 (1999). https://doi.org/10.1007/BF02699459
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DOI: https://doi.org/10.1007/BF02699459