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Virial coefficients, thermodynamic properties, and fluid-fluid transition of nonadditive hard-sphere mixtures
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10.1063/1.3429600
/content/aip/journal/jcp/132/20/10.1063/1.3429600
http://aip.metastore.ingenta.com/content/aip/journal/jcp/132/20/10.1063/1.3429600
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Plot of the composition-independent fourth virial coefficients , , and vs the size ratio for a nonadditivity parameter . The dotted lines correspond to the original MIX1 theory, Eq. (3.7), the short-dashed lines correspond to the mMIX1 theory, Eq. (3.7) with , the thin solid lines correspond to the nlMIX1 theory, Eq. (3.34), the long-dashed lines correspond to Hamad’s proposal, Eq. (3.20), and the thick solid lines correspond to the SHY proposal, Eq. (3.27). The symbols are Monte Carlo data from Ref. 17.

Image of FIG. 2.
FIG. 2.

Same as in Fig. 1, but for .

Image of FIG. 3.
FIG. 3.

Same as in Fig. 1, but for .

Image of FIG. 4.
FIG. 4.

Same as in Fig. 1, but for .

Image of FIG. 5.
FIG. 5.

Same as in Fig. 1, but for .

Image of FIG. 6.
FIG. 6.

Same as in Fig. 1, but for .

Image of FIG. 7.
FIG. 7.

Plot of the compressibility factor vs the nonadditivity parameter for a symmetric binary mixture of nonadditive hard spheres at and two different compositions. The dotted lines correspond to the original MIX1 theory, Eq. (3.3), the short-dashed lines correspond to the mMIX1 theory, Eq. (3.3) with , the thin solid lines correspond to the nlMIX1 theory, Eq. (3.31), the long-dashed lines correspond to Hamad’s proposal, Eq. (3.18), and the thick solid lines correspond to the SHY proposal, Eq. (3.24). The symbols are results from Monte Carlo simulations (Refs. 10 and 11).

Image of FIG. 8.
FIG. 8.

Plot of the compressibility factor vs the nonadditivity parameter for an equimolar asymmetric binary mixture of nonadditive hard spheres with size ratio at . The dotted line corresponds to the original MIX1 theory, Eq. (3.3), the short-dashed line corresponds to the mMIX1 theory, Eq. (3.3) with , the thin solid line corresponds to the nlMIX1 theory, Eq. (3.31), the long-dashed line corresponds to Hamad’s proposal, Eq. (3.18), and the thick solid line corresponds to the SHY proposal, Eq. (3.24). The symbols are results from Monte Carlo simulations (Ref. 13).

Image of FIG. 9.
FIG. 9.

Plot of the compressibility factor vs the size ratio for binary mixtures of nonadditive hard spheres with and (upper panel) and (lower panel). The dotted lines correspond to the original MIX1 theory, Eq. (3.3), the short-dashed lines correspond to the mMIX1 theory, Eq. (3.3) with , the thin solid lines correspond to the nlMIX1 theory, Eq. (3.31), the long-dashed lines correspond to Hamad’s proposal, Eq. (3.18), and the thick solid lines correspond to the SHY proposal, Eq. (3.24). The symbols are results from Monte Carlo simulations (Ref. 13).

Image of FIG. 10.
FIG. 10.

Plot of the reduced critical density vs the nonadditivity parameter for symmetric binary mixtures of nonadditive hard spheres. The short-dashed line corresponds to the mMIX1 theory, the thin solid line corresponds to the nlMIX1 theory, the long-dashed line corresponds to Hamad’s proposal, and the thick solid line corresponds to the SHY proposal. The symbols are results from Monte Carlo simulations (Refs. 25–27).

Image of FIG. 11.
FIG. 11.

Liquid-liquid coexistence curves for several binary mixtures of nonadditive hard spheres in the reduced density vs composition plane (top panel) and in the reduced pressure vs composition plane (bottom panel). From top to bottom, the set of curves correspond to (absent in the bottom panel), (1,0.2), and (5/6,0.1818). The short-dashed lines correspond to the mMIX1 theory, the thin solid lines correspond to the nlMIX1 theory, and the thick solid lines correspond to the SHY proposal. The diamonds indicate the locations of the respective critical consolute points. The other symbols are results from Monte Carlo simulations: Ref. 25 (filled circles), Ref. 28 (open circles), and Ref. 9 (filled squares).

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/content/aip/journal/jcp/132/20/10.1063/1.3429600
2010-05-25
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Virial coefficients, thermodynamic properties, and fluid-fluid transition of nonadditive hard-sphere mixtures
http://aip.metastore.ingenta.com/content/aip/journal/jcp/132/20/10.1063/1.3429600
10.1063/1.3429600
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