ICCAS OpenIR
The new simple extended corresponding-states principle: vapor pressure and second virial coefficient
Xiang, HW
2002-04-01
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume57Issue:8Pages:1439-1449
AbstractA new simple extended corresponding-states principle has been developed to represent and predict the thermophysical properties of fluids. The extended corresponding-states principle only requires the substance-dependent critical parameters and acentric factor which enhances the corresponding-states principle of Pitzer et al. to include the behavior of substances whose force fields deviate strongly from spherical symmetry. The additional corresponding-states parameter defined in terms of the deviation of the critical compression factor of a real molecule from that of spherical molecules is independent of experimental data for any specific property. The new simple extended corresponding-states principle presented here remarkably improves the representation of the vapor pressure from the triple point to the critical point and the second virial coefficient from the triple point to the highest temperatures over which experimental data exist. Accurate results for these two well-understood properties are given for simple, normal, polar, hydro-bonding and associating compounds. The results also show that the new simple extended corresponding-states principle is more reliable and accurately predicts the vapor pressure and second virial coefficient of a strongly nonspherical fluid than any other existing methods. (C) 2002 Published by Elsevier Science Ltd.
KeywordComplex Fluids Corresponding-states Principle Critical Parameters Phase Equilibria Theory Of Liquids Thermodynamics
Indexed BySCI
Language英语
WOS IDWOS:000175597200016
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79150
Collection中国科学院化学研究所
Corresponding AuthorXiang, HW
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Xiang, HW. The new simple extended corresponding-states principle: vapor pressure and second virial coefficient[J]. CHEMICAL ENGINEERING SCIENCE,2002,57(8):1439-1449.
APA Xiang, HW.(2002).The new simple extended corresponding-states principle: vapor pressure and second virial coefficient.CHEMICAL ENGINEERING SCIENCE,57(8),1439-1449.
MLA Xiang, HW."The new simple extended corresponding-states principle: vapor pressure and second virial coefficient".CHEMICAL ENGINEERING SCIENCE 57.8(2002):1439-1449.
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