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Information theory in the study of anisotropic radiation

Dominguez-Cascante R.

Zeszyty Naukowe Politechniki Świętokrzyskiej. Mechanika

1998

Z. 66

83-94

Information theory is used to perform a thermodynamic study of non equilibrium anisotropic radiation. We limit our analysis to a second-order truncation of the moments, obtaining a distribution function which leads to a natural closure of the hierarchy of radiative transfer equations in the so-called variable Eddington factor scheme. Some Eddington factor. We focus our attention in the study, of the thermodynamic properties of such systems and relate it to recent nonequilibrium thermodynamic theories. Finally we comment the possibility of introducing a nonequilibrium chemical potential for photons.