International Journal of Thermophysics

, Volume 32, Issue 3, pp 553–558 | Cite as

Comments on “Analytic Equation of State for Solid–Liquid–Vapor Phases” (Int. J. Thermophys. 24, 589 (2003))

  • Ju Ho Lee
  • Ki-Pung Yoo


Among the thermodynamic models applicable to solid–liquid–vapor phases, Yokozeki’s model is considered as the first repulsion-based analytic equation of state (EOS) in which a discontinuity is introduced in the isotherm. However, it was found that the model violates some physical constraints due to the empirically introduced discontinuity. This work focuses on the evaluation of the empirical basis of the model through scaled-particle theory (SPT) and a modification of the model to satisfy the physical constraint.


Equation of state Fluid–solid transition Hard-sphere fluids Insertion probability 


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Chemical and Biomolecular EngineeringSogang UniversitySeoulKorea

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