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Renormalization-group corrections to an approximate free-energy model for simple fluids near to and far from the critical region

Lue, L. and Prausnitz, J. M. (1998) Renormalization-group corrections to an approximate free-energy model for simple fluids near to and far from the critical region. Journal of Chemical Physics, 108 (13). pp. 5529-5536. ISSN 0021-9606

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Abstract

We combine liquid-state theory with a renormalization-group method to develop an equation of state for simple fluids that is valid near and far from the critical point. The resulting equation of state has nonclassical critical exponents close to those experimentally observed. Far away from the critical point, the equation of state reduces to that obtained by liquid-state theory. This formalism is applied successfully to square-well fluids, and to three real fluids:methane, carbon dioxide, and n-butane. (C) 1998 American Institute of Physics. [S0021-9606(98)50713-1].

Item type: Article
ID code: 38470
Notes: English Article ZD913 J CHEM PHYS
Keywords: equilibrium statistical mechanics, thermodynamic properties, differential approach, critical-behavior, critical-point, general theory, expansion, mixtures, methane, liquid, Chemistry, Physical and theoretical chemistry, Physics, Physics and Astronomy(all), Physical and Theoretical Chemistry
Subjects: Science > Chemistry
Science > Chemistry > Physical and theoretical chemistry
Science > Physics
Department: Faculty of Engineering > Chemical and Process Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 13 Mar 2012 16:24
    Last modified: 05 Sep 2014 04:30
    URI: http://strathprints.strath.ac.uk/id/eprint/38470

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