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Thermodynamic properties of eight fluorinated olefins.

Author(s) : BROWN J. S., ZILIO C., CAVALLINI A.

Type of article: Article, IJR article

Summary

Group contribution methods are used to predict the critical temperatures, critical pressures, critical densities, acentric factors, and ideal gas specific heats at constant pressure for eight fluorinated olefins, namely: R1225ye(E), R1225ye(Z), R1225zc, R1234ye(E), R1234yf, R1234ze(E), R1234ze(Z), and R1243zf. For the same eight refrigerants, the Peng-Robinson equation of state is used to predict thermodynamic properties, which are presented in pressure-enthalpy and temperature-entropy state diagrams. To provide the reader with some sense of the predictive capability of the methodology, property predictions for R134a are compared to known data. Property predictions for R1234yf are compared, where possible, to the open literature.

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Pages: pp. 235-241

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Details

  • Original title: Thermodynamic properties of eight fluorinated olefins.
  • Record ID : 2009-2256
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 33 - n. 2
  • Publication date: 2010/03

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