Investigation of the Phase Equilibria for Chain Like Fluids by Yukawa EOS and Renormalization-Group Theory

Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (11): 1034-1040. Previous Articles Next Articles

用Yukawa状态方程和重整化群理论计算链状流体的汽液相平衡

付东¹, 李以圭², 陆九芳²

1. 华北电力大学环境工程系, 保定, 071003;
2. 清华大学化学工程系, 北京, 100084

投稿日期:2003-10-09 修回日期:2004-02-10 发布日期:2014-02-17
通讯作者: 付东,E-mail:fudong@tsinghua,org.cn E-mail:fudong@tsinghua,org.cn
基金资助:
华北电力大学人才引进基金(No.93505009)资助项目.

Investigation of the Phase Equilibria for Chain Like Fluids by Yukawa EOS and Renormalization-Group Theory

FU Dong¹, LI Yi-Gui², LU Jiu-Fang²

1. Department of Environment Engineering, North China Electric Power University, Baoding 071003;
2. Department of Chemical Engineering, Tsinghua University, Beijing 100084

Received:2003-10-09 Revised:2004-02-10 Published:2014-02-17

Abstract

The vapor-liquid equilibria and critical properties for 10 non-polar chain like fluids and 6 associating fluids are investigated by combining the renormalization group (RG) theory and the Yukawa EOS extended for chain like fluids. The average relative deviations (ARD%) of critical temperature T_cc, critical pressure p _c and critical density ρ_c between the calculated results and the experimental data for 16 systems are 0.44%, 1.31% and 1.01%, respectively. The obtained results agree well with the experimental data.

Key words: Yukawa EOS, chain like fluid, phase equilibrium, RG theory

Cite this article

FU Dong, LI Yi-Gui, LU Jiu-Fang. Investigation of the Phase Equilibria for Chain Like Fluids by Yukawa EOS and Renormalization-Group Theory[J]. Acta Chimica Sinica, 2004, 62(11): 1034-1040.

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用Yukawa状态方程和重整化群理论计算链状流体的汽液相平衡

Investigation of the Phase Equilibria for Chain Like Fluids by Yukawa EOS and Renormalization-Group Theory

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