The Rosseland approximation for radiative transfer problems in heterogeneous media

Autor: J.-F. Clouet
Rok vydání: 1997
Předmět:
Zdroj: Journal of Quantitative Spectroscopy and Radiative Transfer. 58:33-43
ISSN: 0022-4073
DOI: 10.1016/s0022-4073(97)00041-1
Popis: We address the problem of the validity of the Rosseland approximation in a binary mixture when the opacities of the two materials exhibit a high contrast ratio. We derive a new formulation for the set of radiative equations. Some numerical simulations on effective opacities are presented.
Databáze: OpenAIRE