The Second Law of Thermodynamics and the Local Equilibrium Assumption

  • Peter Glansdorff
Part of the International Centre for Mechanical Sciences book series (CISM, volume 74)


As well known, the entropy is the suitable extensive variable to express the second law of thermodynamics. Writing the entropy balance equation as:
the second law prescribes a positive value to the entropy production, whatever the irreversible process inside the system may be. In other words, the inequality:
vanishing for a reversible change (equilibrium process), is always valid.


Entropy Production Convection Flow Local Equilibrium Order Quantity Equilibrium Process 
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  1. [1]
    P. Glansdorff and I. Prigogine, Thermodynamic Theory of Structure Stability and Fluctuations, Wiley, Interscience, London, 1971.MATHGoogle Scholar
  2. [2]
    Chandrasekhar, Hydrodynamic and Hydromagnetic Stability, Clarendon Press, Oxford, 1961.MATHGoogle Scholar
  3. [3]
    J.C. Legros, Thèse de doctorat, Chimie Physique, Université Libre de Bruxelles, 1971.Google Scholar

Copyright information

© Springer-Verlag Wien 1971

Authors and Affiliations

  • Peter Glansdorff
    • 1
  1. 1.Université Libre, BruxellesBelgium

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