A ray tracing formulation is described for the solution of the radiative he
at transfer equation in absorbing, emitting and non-scattering real gases.
The Goody and the Malkmus statistical narrow band models and the Edwards wi
de band model are used for calculating the radiative dissipation and the wa
ll fluxes in a series of planar configurations containing inhomogeneous, no
n-isothermal H2O/N-2 mixtures bounded by non-reflecting walls. Comparisons
between these models are performed and their sensitivity on the sets of the
band parameters is investigated. The accuracy of the results obtained by c
onsidering correlated and non-correlated solutions is also discussed. (C) 2
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