Fourth virial coefficients of asymmetric nonadditive hard-disk mixtures

The Journal of Chemical Physics
F SaijaMariano López de Haro

Abstract

The fourth virial coefficient of asymmetric nonadditive binary mixtures of hard disks is computed with a standard Monte Carlo method. Wide ranges of size ratio (0.05 ≤ q ≤ 0.95) and nonadditivity (-0.5 ≤ Δ ≤ 0.5) are covered. A comparison is made between the numerical results and those that follow from some theoretical developments. The possible use of these data in the derivation of new equations of state for these mixtures is illustrated by considering a rescaled virial expansion truncated to fourth order. The numerical results obtained using this equation of state are compared with Monte Carlo simulation data in the case of a size ratio q = 0.7 and two nonadditivities Δ = ±0.2.

References

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Jan 11, 2005·The Journal of Chemical Physics·Arnaud Buhot
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Jan 26, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Yurko Duda, Flavio Vázquez
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Apr 10, 2007·The Journal of Physical Chemistry. B·G PellicaneF Saija
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Mar 10, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Paul Hopkins, Matthias Schmidt
May 27, 2011·Physical Chemistry Chemical Physics : PCCP·F Saija
Jul 22, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Paul Hopkins, Matthias Schmidt

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Citations

Dec 8, 2014·The Journal of Chemical Physics·Giacomo FiumaraFranz Saija
Nov 4, 2017·The Journal of Chemical Physics·Giacomo FiumaraSantos B Yuste

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