卤代烃的Peng-Robinson状态方程的密度修正

工程热物理学报 , 2006, 27(1): 13-16.

1.清华大学热能工程系热能动力工程与热科学重点实验室,北京,100084

2.清华大学热能工程系热能动力工程与热科学重点实验室,北京,100084

基金项目: 高等学校博士学科点专项科研项目(200336) 中国科学院资助项目(50225622)

DENSITY CORRECTION OF THE PENG-ROBINSON EQUATION OF STATE FOR HALOGENATED HYDROCARBONS

利用密度平移的方法对Peng-Robinson状态方程计算的液相密度进行了修正,给出了其描述平移量的关联式.对22种卤代烃纯物质的计算结果表明,修正后的PR方程能够很好地计算液相密度,并且能很好地再现纯物质的临界压缩因子,计算精度可以满足工程应用的需要.

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