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Integral Equations for the Microstructures of Supercritical Fluids

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Supercritical Fluids

Part of the book series: NATO ASI Series ((NSSE,volume 273))

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Abstract

We outline the numerical methods of solution of integral equations describing the microstructure of supercritical mixtures, including the Picard and Labik-Gillan methods. Solution of these equations yields the solvent-solute, solvent-solvent, and solute-solute pair correlation functions g ij (r). We illustrate calculated microstructures of supercritical solutions for both attractive and repulsive systems. The important structural aspects are the variations of the peak heights of g ij (r) (which are not related to near-critical behavior) and long-range tails in g ij r) which influence divergence in the partial molar volume and the mixture osmotic susceptibilities (which are due to critical effects).

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Author information

Authors and Affiliations

  1. School of Chemical Engineering and Materials Science, University of Oklahoma, Norman, OK, 73019, USA

    Lloyd L. Lee

  2. Chemical Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831, USA

    Henry D. Cochran

Authors
  1. Lloyd L. Lee
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  2. Henry D. Cochran
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Editor information

Editors and Affiliations

  1. Department of Chemical Engineering, University of Maine, Orono, Maine, USA

    Erdogan Kiran

  2. Thermophysics Division, National Institute of Standards and Technology, Gaithersburg, Maryland, USA

    Johanna M. H. Levelt Sengers

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© 1994 Springer Science+Business Media Dordrecht

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Lee, L.L., Cochran, H.D. (1994). Integral Equations for the Microstructures of Supercritical Fluids. In: Kiran, E., Sengers, J.M.H.L. (eds) Supercritical Fluids. NATO ASI Series, vol 273. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8295-7_14

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  • DOI: https://doi.org/10.1007/978-94-015-8295-7_14

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-4427-3

  • Online ISBN: 978-94-015-8295-7

  • eBook Packages: Springer Book Archive

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