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

页码：53 / 67

页数：15

共 36 条

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