Abstract
We have developed a “crossover” formalism that reconciles the singular asymptotic critical behavior of the thermodynamic properties of fluids with the classical behavior of these properties well away from the critical point. The proposed formalism is based on theoretical predictions for the crossover behavior suggested by the renormalization-group theory of critical phenomena. We demonstrate the formalism for a fluid whose classical behavior away from the critical point is represented by the equation of state of van der Waals.
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Albright, P.C., Sengers, J.V., Nicoll, J.F. et al. A crossover description for the thermodynamic properties of fluids in the critical region. Int J Thermophys 7, 75–85 (1986). https://doi.org/10.1007/BF00503800
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DOI: https://doi.org/10.1007/BF00503800