Nonparametric scaled equation of state and approximation of P-ρ-T data near the vapor-liquid critical point

被引：4

作者：

Bezverkhii, PP ^{[1
]}

Martynets, VG ^{[1
]}

Matizen, ÉV ^{[1
]}

机构：

[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Div, Novosibirsk 630090, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2004年 / 99卷 / 05期

关键词：

D O I：

10.1134/1.1842881

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a new scaled equation of state adequately describing the P-rho-T data for fluids near the vapor-liquid transition point and compare this equation to the Schofield parametric equation of state. A comparative analysis of the approximation of data for He-4, C2H4 , and H2O in the critical region shows that both these equations correctly describe the behavior of thermodynamic functions asymptotically close to the critical point. (C) 2004 MAIK "Nauka / Interperiodica".

引用

页码：998 / 1004

页数：7

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