Thermodynamics of simple fluids following the Weeks-Chandler-Andersen picture
- 1 April 1997
- journal article
- research article
- Published by Taylor & Francis in International Reviews in Physical Chemistry
- Vol. 16 (2) , 141-153
- https://doi.org/10.1080/014423597230244
Abstract
In this work we propose some new analytic expressions that describe the thermodynamics of simple fluids. These equations have a strong theoretical background (they are based on the Weeks-Chandler-Andersen perturbative theory), combine accuracy with simplicity and are valid over a wide range of temperatures and densities. Predictions of the thermodynamics of the vapourliquid equilibrium and molar heat capacity at a constant pressure for methane are made, giving good agreement with experimental results, and being compared with the predictions of the well known Soave equation.Keywords
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