Vapor-liquid equilibrium data for the CO2+1, 1,1,2,3,3,3,-heptafluoropropane (R227ea) system at temperatures from 276.01 to 367.30 K and pressures up to 7.4 MPa

被引：48
|
作者：
Valtz, A [1 ]
Coquelet, C [1 ]
Baba-Ahmed, A [1 ]
Richon, D [1 ]
机构：
[1] Ecole Natl Super Mines, Ctr Energet, CENERG, TEP, F-77305 Fontainebleau, France
来源：
FLUID PHASE EQUILIBRIA | 2003年 / 207卷 / 1-2期
关键词：
VLE data; high pressures; refrigerants; modeling; EoS; supercritical gas solubility;
D O I：
10.1016/S0378-3812(02)00326-6
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Isothermal vapor-liquid equilibrium data for the binary system CO2 + R227ea(1,1,1,2,3,3,3-heptafluoropropane) were measured at 276.01, 293.15, 303.15, 305.17, 313.15, 333.15, 353.15 and 367.30 K and pressures up to 7.4 MPa. The experimental method used in this work is of the static-analytic type. It takes advantage of two pneumatic capillary samplers (Rolsi(TM), Armines' patent) developed in the Cenerg/TEP laboratory. The eight sets of isothermal P, x, y data are represented with the Peng-Robinson equation of state using the Wong-Sandler mixing rules involving the NRTL model. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：53 / 67
页数：15
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