Modified Redlich-Kwong equation of state for supercritical carbon dioxide

被引：32

作者：

Heidaryan, Ehsan ^{[1
]}

Jarrahian, Azad ^{[2
]}

机构：

[1] Shiraz Univ, Sch Chem & Petr Engn, Shiraz, Iran

[2] Sharif Univ Technol, Dept Chem & Petr Engn, Tehran, Iran

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2013年 / 81卷

关键词：

Carbon dioxide; Density; Equation of state; PENG-ROBINSON EQUATION; 3-PARAMETER CUBIC EQUATION; HARD-CHAIN THEORY; THERMODYNAMIC PROPERTIES; THERMAL-CONDUCTIVITY; TEMPERATURE-RANGE; VOLUMETRIC PROPERTIES; HIGH-PRESSURE; NATURAL-GAS; SOLUTE SOLUBILITY;

D O I：

10.1016/j.supflu.2013.05.009

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：

A new simple and explicit reduced temperature and reduced pressure function has been proposed in the present study for modifying Redlich Kwong equation of state (EoS) to calculate the density of carbon dioxide in the supercritical region. The average absolute error of the model was found to be 1.63 and 2.07% in the comparison with the literature and NIST density data respectively, which demonstrates superiority of the model over other EoSs. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：92 / 98

页数：7

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