Experimental measurements and modelling of vapour-liquid equilibrium of 2,3,3,3-tetrafluoropropene (R-1234yf)+1,1,1,2,2-pentafluoropropane (R-245cb) system

被引：13
作者：
Valtz, Alain [1 ]
El Abbadi, Jamal [1 ]
Coquelet, Christophe [1 ]
Houriez, Celine [1 ]
机构：
[1] PSL Univ, CTP, MINES ParisTech, 35 Rue St Honore, F-77305 Fontainebleau, France
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2019年 / 107卷
关键词：
Equations of state; Vapour-liquid equilibrium; Refrigerant fluids; Fluorinated compounds; EQUATION-OF-STATE; SOAVE ALPHA-FUNCTION; CUBIC EQUATIONS; THERMODYNAMIC PROPERTIES; PRESSURE; TEMPERATURES; R1234YF; FLUIDS; PREDICTION;
D O I：
10.1016/j.ijrefrig.2019.07.024
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Isothermal vapour-liquid equilibrium (VLE) of the R-1234yf+R-245cb binary system were measured using a "static-analytic" apparatus at temperatures from 283.39 to 343.27 K. The data measured were compared with literature data for conformity checking. Albeit both VLE measurement sets are in good accordance, an unexpected behaviour was observed for the relative volatility calculated on the basis of the literature data. The thermodynamic model used for the calculations reproduces very well R-1234yf+R-245cb VLE data, and is based on a 3-parameter cubic equation of state (denoted by NEoS). This cubic equation of state was associated with the Mathias-Copeman alpha function and van der Waals mixing rules. Comparisons were also done with Peng-Robinson EoS with similar alpha function and mixing rules. (C) 2019 Elsevier Ltd and HR. All rights reserved.
引用
收藏
页码：315 / 325
页数：11
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