Vapour–liquid equilibrium data for the difluoromethane+1,1,1,2,3,3,3-heptafluoropropane system at temperatures from 283.20 to 343.38 K and pressures up to 4.5 MPa

Isothermal vapour–liquid equilibrium data for the difluoromethane (R32)-1,1,1,2,3,3,3-Heptafluoropropane (R227ea) binary system are presented at 283.20, 303.21, 323.21 and 343.38 K and pressures up to 4.5 MPa. The experimental method, used for this work, is of the static-analytic type. It takes adva...

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Bibliographic Details
Published in:International journal of refrigeration 2003-08, Vol.26 (5), p.559-565
Main Authors: Coquelet, C, Nguyen Hong, D, Chareton, A, Baba-Ahmed, A, Richon, D
Format: Article
Language:English
Subjects:
Applied sciences
Chemical and Process Engineering
Chemical Sciences
Energy
Energy. Thermal use of fuels
Engineering Sciences
Equilibrium
Exact sciences and technology
Frigorigène
Liquid-vapour
Liquide-vapeur
Mixture
Mélange
or physical chemistry
Propriété thermophysique
R227ea
R32
Refrigerant
Refrigerants
Refrigerating engineering
Refrigerating engineering. Cryogenics. Food conservation
Theoretical and
Thermophysical property
Équilibre
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Summary:Isothermal vapour–liquid equilibrium data for the difluoromethane (R32)-1,1,1,2,3,3,3-Heptafluoropropane (R227ea) binary system are presented at 283.20, 303.21, 323.21 and 343.38 K and pressures up to 4.5 MPa. The experimental method, used for this work, is of the static-analytic type. It takes advantage of mobile pneumatic capillary samplers (Rolsi™, Armines’ patent) developed in our laboratory. The four P, x, y isothermal data have been represented with the Soave–Redlich–Kwong (SRK) equation of state and the MHV1 rules involving the NRTL model.
ISSN:0140-7007
1879-2081
DOI:10.1016/S0140-7007(02)00164-0