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RESEARCH PRODUCT

Thermodynamics: Classical Framework

Florian Scheck

subject

symbols.namesakeEntropy (classical thermodynamics)Fundamental thermodynamic relationOn the Equilibrium of Heterogeneous SubstancessymbolsNon-equilibrium thermodynamicsStatistical physicsCarnot cycleThermodynamic systemLaws of thermodynamicsThermodynamic potentialMathematics

description

This chapter starts with a summary of the thermodynamic potentials and the relationships between them which are obtained from Legendre transformation. This is followed by an excursion to some important global properties of materials such as specific heat, expansion coefficients and others. The thermodynamic relations provide the basis for a discussion of continuous changes of state which are illustrated by the Joule-Thomson effect and the Van der Waals gas. These are models which are more realistic than the ideal gas. The discussion of Carnot cycles leads to and illustrates the second and third laws of thermodynamics. The chapter closes with a discussion of entropy as a concave function of thermodynamic variables.

https://doi.org/10.1007/978-3-319-40049-5_2