Entropy flux far from equilibrium in solids and in non viscous gases
M. S. Mongiovì, R. A. Peruzza (2004)
Bollettino dell'Unione Matematica Italiana
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One of the main question arising in Extended Thermodynamics concerns the physical meaning of the temperature far from equilibrium. Some authors define thermodynamic temperature the inverse of the coefficient linking the entropy flux with the heat flux. Other authors, instead, define non-equilibrium temperature the inverse of the partial derivative of entropy with respect to energy, at density and heat flux constant. The aim of this paper is to determine the expression of entropy...