par Baumgart, Johannes;Magin, Thierry ;Rini, Pietro ;Degrez, Gérard ;Chazot, Olivier
Référence 5th European Symposium on Aerothermodynamics for Space Vehicles(5), European Space Agency Special Publication (ESA SP), Vol. 563, page (593 - 598)
Publication Publié, 2004
Publication dans des actes
Résumé : Up to now, the Martian atmosphere has been modeled by a pure carbon dioxide mixture at VKI. A more comprehensive approach employs the addition of argon and nitrogen compounds. The real composition of the mixture in the aerobreaking altitude is estimated to be the same as on the ground level. The transport properties do almost not differ when the mixture is extended by Argon and Nitrogen. Heat flux measured shows small differences, but they are in the range of the errorbars. Computations for the Pathfinder model were performed and show that the heat flux and wall temperature were slightly higher, if argon and nitrogen were added.