New equations of state for the hard polyhedron fluids

被引：16

作者：

Tian, Jianxiang ^{[1
,3
]}

Jiang, Hua ^{[2
]}

Mulero, A. ^{[4
]}

机构：

[1] Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China

[2] Linyi Univ, Sch Phys & Elect Engn, Linyi 276005, Shandong, Peoples R China

[3] Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China

[4] Univ Extremadura, Dept Appl Phys, Badajoz 06072, Spain

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2019年 / 21卷 / 24期

基金：

中国国家自然科学基金;

关键词：

BODY-FLUIDS; OF-STATE; SPHERES;

D O I：

10.1039/c9cp02033k

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper, we derived a new equation of state for hard polyhedron fluids that is obtained by the knowledge of virial coefficients and a fit to the computer simulation data for the compressibility factor, and which contains two adjustable parameters. This equation reproduces exactly the correct known virial coefficients up to the ninth one and also the compressibility factor data with high accuracy, the absolute average deviations (AADs) being 0.05% for the stable state and 1.12% for both stable and metastable states for the hard tetrahedron fluid. For 12 of the other hard polyhedron fluids, it reproduces exactly the correct known virial coefficients up to the eighth one and also the compressibility factor data in the stable state with AADs less than 0.25%, with the only exception being the triangular prism polyhedron fluid.

引用

页码：13109 / 13115

页数：7

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