Three-parameter corresponding-states correlations for Joule-Thomson inversion curves

被引：2
|
作者：
Castillo, MG [1 ]
Colina, CM [1 ]
Dubuc, JE [1 ]
Olivera-Fuentes, CG [1 ]
机构：
[1] Univ Simon Bolivar, TAPiD Grp, Thermodynam & Transport Phenomena Dept, Caracas 1086A, Venezuela
来源：
INTERNATIONAL JOURNAL OF THERMOPHYSICS | 1999年 / 20卷 / 06期
关键词：
correlation; corresponding-states; inversion curve; Joule-Thomson;
D O I：
10.1023/A:1022662030434
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Tn the present work, the Lee-Kesler (LK) and Boublik-Alder-Chen-Kreglewski (BACK) equations of state were used to compute Joule-Thomson inversion curves for nonsimple fluids. Comparisons with available data showed that predictions were quite reliable and could be used in place of experimental values. Two sets of corresponding-stares correlations were developed, giving reduced inversion pressures and densities as functions of reduced temperature and acentric factor. The LK-based correlations are valid for T(r)less than or equal to 4.0, giving an average absolute deviation (AAD) of 4.5 % for pressures. The BACK-based correlations ale valid up to the maximum inversion temperature and give a 6.7% AAD for pressures. Respective volume AADs are 12.0 and 8.0% in the high-density region.
引用
收藏
页码：1737 / 1751
页数：15
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