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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.

Author(s) : COQUELET C., NGUYEN HONG D., CHARETON A., et al.

Type of article: Article, IJR article

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 was based on mobile pneumatic capillary samplers (RolsiT, Armines' patent) developed in the authors' laboratory. The four P, x, y isothermal data were represented using the Soave-Redlich-Kwong (SRK) equation of state and the MHV1 rules involving the NRTL model.

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Pages: 559-565

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Details

  • Original title: 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.
  • Record ID : 2003-2146
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 26 - n. 5
  • Publication date: 2003/08

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