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Article

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Accepted version

Publication date

2016-05-17

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/125245

Atomic and molecular data for spacecraft re-entry plasmas

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Volume Title

Related resource

https://doi.org/10.1088/0963-0252/25/3/033004

Abstract

The modeling of atmospheric gas, interacting with the space vehicles in re-entry conditions in planetary exploration missions, requires a large set of scattering data for all those elementary processes occurring in the system. A fundamental aspect of re-entry problems is represented by the strong non-equilibrium conditions met in the atmospheric plasma close to the surface of the thermal shield, where numerous interconnected relaxation processes determine the evolution of the gaseous system towards equilibrium conditions. A central role is played by the vibrational exchanges of energy, so that collisional processes involving vibrationally excited molecules assume a particular importance. In the present paper, theoretical calculations of complete sets of vibrationally state-resolved cross sections and rate coefficients are reviewed, focusing on the relevant classes of collisional processes: resonant and non-resonant electron-impact excitation of molecules, atom-diatom and molecule-molecule collisions as well as gas-surface interaction. In particular, collisional processes involving atomic and molecular species, relevant to Earth (N-2, O-2, NO), Mars (CO2, CO, N-2) and Jupiter (H-2, He) atmospheres are considered.

Subject

Astrofísica del plasma, Vehicles espacials, Col·lisions (Física), Atmosfera

Subject (English)

Plasma astrophysics, Space vehicles, Collisions (Physics), Atmosphere

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Articles publicats en revistes (Ciència dels Materials i Química Física)
Articles publicats en revistes (Institut de Química Teòrica i Computacional (IQTCUB))
Publicacions de projectes de recerca finançats per la UE

Citation

CELIBERTO, Roberto, et al. Atomic and molecular data for spacecraft re-entry plasmas. Plasma Sources Science & Technology. 2016. Vol. 25, num. 3. ISSN 0963-0252. [consulted: 16 of August of 2026]. Available at: https://hdl.handle.net/2445/125245

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