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Study on thermodynamic properties of HFCs refrigerant mixtures.

[In Chinese. / En chinois.]

Author(s) : WU X. Z., LI M. L., KONG Y.

Type of article: Article

Summary

To calculate thermodynamic properties of ternary refrigerant mixtures, the binary interaction parameter of the NRTL excess Gibbs free-energy model for ten groups of HFC refrigerant mixtures were correlated by the vapour liquid equilibrium experimental data with the P-R equation of state and the Huron-Vidal original mixture rules in the study. At the same time, the vapour-equilibrium of ternary refrigerant mixtures of R32-R125-R134a and R125-R143a-R134a has been predicted with determined interaction parameters. Calculated results showed a good agreement with the experimental data, especially the average deviations of bubble point pressure were less than 0.42%. Finally the characteristics of the refrigeration cycle with R32-R125 and R407C were analysed and discussed.

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Pages: 16-21

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2005-2444
  • Languages: Chinese
  • Subject: HFCs alternatives
  • Source: Journal of Refrigeration - vol. 24 - n. 96
  • Publication date: 2003/06

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