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Behavior of a nonconformal mixture via computer simulation

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Abstract

A binary 50% mixture of soft spheres is studied via nonequilibrium molecular dynamics, and the equilibrium and nonequilibrium radial distribution functions for a nonconformal mixture with a mass ratio of 10 and a size ratio of about 2 are examined. This model system is related to the real methane/decane mixture, and it is shown that apparently anomalous properties of this mixture, especially the viscosity, could perhaps be understood in terms of the local or ambient mole fraction. In addition, the postulates of the Van der Waals one fluid conformal solution theory are discussed, and a mixing rule for the mass is derived.

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Authors and Affiliations

  1. Thermophysical Properties Division, National Bureau of Standards, 80303, Boulder, Colorado, USA

    H. J. M. Hanley & D. J. Evans

  2. Department of Chemical Engineering, University of Colorado, 80309, Boulder, Colorado, USA

    H. J. M. Hanley

  3. Ion Diffusion Unit, Australian National University, Canberra, Australia

    D. J. Evans

Authors
  1. H. J. M. Hanley
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  2. D. J. Evans
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Hanley, H.J.M., Evans, D.J. Behavior of a nonconformal mixture via computer simulation. Int J Thermophys 2, 1–19 (1981). https://doi.org/10.1007/BF00503571

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  • DOI: https://doi.org/10.1007/BF00503571

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