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A fundamental equation of state for trifluoromethyl methyl ether (HFE-143m) and its application to refrigeration cycle analysis.

Author(s) : AKASAKA R., KAYUKAWA Y.

Type of article: Article, IJR article

Summary

A fundamental equation of state explicit in the Helmholtz energy is presented for trifluoromethyl methyl ether (HFE-143m). The independent variables of the equation of state are temperature and density. The equation of state is based on reliable experimental data for the vapor pressure and densities of the liquid and vapor phases. The equation covers temperatures between 240 and 420 K for pressures up to 7.2 MPa. Comparisons to available experimental data are given that establish the accuracy of calculated properties from the equation of state. The estimated uncertainties are 0.1% in liquid density, 0.3% in pressure of the vapor phase, and 0.1% in vapor pressure. Comparisons of the vapor pressures and heats of vaporization of HFE-143m are made to those of 1,1,1,2-tetrafluoroethane (HFC-134a), 2,3,3,3-tetrafluoropropene (HFO-1234yf), and trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)). The performance analysis of refrigeration cycles with these refrigerants is also demonstrated.

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Pages: 1003-1013

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Details

  • Original title: A fundamental equation of state for trifluoromethyl methyl ether (HFE-143m) and its application to refrigeration cycle analysis.
  • Record ID : 30004116
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 4
  • Publication date: 2012/06

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