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 - Mines Saint-Étienne Access content directly
Journal Articles International Journal of Refrigeration Year : 2003

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

Données sur l'équilibre liquide–vapeur de mélanges des frigorigènes difluorométhane et 1,1,1,2,3,3,3-heptafluoropropane pour des températures allant de 283,20 à 343,38 K et des pressions allant jusqu'à 4,5 MPa

Abstract

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.
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Dates and versions

emse-00504948 , version 1 (19-01-2018)

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Christophe Coquelet, Duc Phuong Nguyen, A. Chareton, Abdelatif Baba-Hamed, Dominique Richon. 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. International Journal of Refrigeration, 2003, 26 (5), pp.559-565. ⟨10.1016/S0140-7007(02)00164-0⟩. ⟨emse-00504948⟩
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