Irreversible thermodynamic analysis of two-layer systems
- 1 November 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 50 (5) , 4233-4236
- https://doi.org/10.1103/physreve.50.4233
Abstract
A thermodynamic study of two-layer systems is developed. The generalized entropy, entropy flux, and entropy production for these systems are evaluated exactly as functionals of the concentration P(x,t) and the particle flux J(x,t). In contrast to what happens in local-equilibrium irreversible thermodynamics, the entropy production is shown to be positive definite for plausible stochastic models of particle exchange between layers. A nonequilibrium temperature is also introduced in this context, and its physical interpretation is discussed.Keywords
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