COUPLING OF RADIATION TRANSFER, LEVEL AND ELECTRON KINETICS UNDER HIGH-SPEED SHOCK WAVE CONDITIONS IN AN H2/HE MIXTURE (Contributo in atti di convegno)

Type
Label
  • COUPLING OF RADIATION TRANSFER, LEVEL AND ELECTRON KINETICS UNDER HIGH-SPEED SHOCK WAVE CONDITIONS IN AN H2/HE MIXTURE (Contributo in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • G. D'Ammando, L. D. Pietanza, G. Colonna, and M. Capitelli (2012)
    COUPLING OF RADIATION TRANSFER, LEVEL AND ELECTRON KINETICS UNDER HIGH-SPEED SHOCK WAVE CONDITIONS IN AN H2/HE MIXTURE
    in 5th International Workshop on Radiation of High Temperature Gases in Atmospheric Entry, Barcelona, Spain, 16-19 Ottobre 2012
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. D'Ammando, L. D. Pietanza, G. Colonna, and M. Capitelli (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dip. di Chimica, Università degli Studi di Bari, Via Orabona 4 70125 Bari, Italy CNR-IMIP, Via Amendola 122/D 70126 Bari, Italy CNR-IMIP, Via Amendola 122/D 70126 Bari, Italy Dip. di Chimica, Università degli Studi di Bari, Via Orabona 4 70125 Bari, Italy (literal)
Titolo
  • COUPLING OF RADIATION TRANSFER, LEVEL AND ELECTRON KINETICS UNDER HIGH-SPEED SHOCK WAVE CONDITIONS IN AN H2/HE MIXTURE (literal)
Abstract
  • A collisional-radiative model (CRM) of a plasma composed of H2, H+ 2 , H, H+, He, He+, e?, is applied to study the relaxation processes behind an hypersonic shock wave under conditions reproducing an atmospheric entry in Jupiter's atmosphere. The CRM is coupled with a Boltzmann equation solver, for the determination of the electron energy distribution function, and with a radiative transfer equation for calculating the specific intensity In , radiative rate coefficients and radiative energy transfer in one-dimensional slab geometry. The model predicts highly non-equilibrium electron and atomic distributions as well as strong reabsorption of atomic radiation in the post-shock region. A comparison among distributions obtained using optically thick and optically thin plasma approximation against the fully coupled calculation is also presented. (literal)
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