Asymmetric Scaled Equation of State and Critical Behavior of Binary Mixtures

[+] Author and Article Information
M. A. Anisimov, S. B. Kiselev, I. G. Kostukova

Physics Department, Moscow Gubkin Oil and Gas Institute, Moscow B-296, 117917, USSR

J. Heat Transfer 110(4a), 986-991 (Nov 01, 1988) (6 pages) doi:10.1115/1.3250603 History: Received August 10, 1987; Online October 20, 2009


An equation of state for binary mixtures, accounting for the asymmetry with respect to the critical isochore in the wide neighborhood of the liquid–gas critical line, has been obtained on the basis of the isomorphic scaled free energy of mixtures and the extended scaled equation of state for pure fluids. Universal behavior of critical binary mixtures is demonstrated. The universal function is used for the description of experimental heat capacity data for a number of binary mixtures.

Copyright © 1988 by ASME
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