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Vapor–Liquid Equilibria for the 1,1,1-Trifluoroethane (HFC-143a)+1,1,1,2-Tetrafluoroethane (HFC-134a) System

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Abstract

A vapor–liquid equilibrium apparatus has been developed and used to obtain data for the binary HFC-143a+HFC-134a system. Fifty-four equilibrium data are obtained for the HFC-143a+HFC-134a system over the temperature range from 263.15 to 313.15 K at 10 K intervals. The experimental data were correlated with the Carnahan–Starling–De Santis (CSD) and Peng–Robinson (PR) equations of state. Based upon the present data, the binary interaction parameters for the CSD and PR equations of state were calculated for six isotherms for the HFC-143a+HFC-134a system. The binary interaction parameters for both equations of state were fitted by a linear equation as a function of temperature. The present data were in good agreement with the calculated results from the CSD equation of state, and the deviations were less than 1.0% with the exception of two points.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Ajou University, 5 Wonchon-Dong, Paldal-Gu, Suwon, 442-749, Korea

    C.-N. Kim & E.-H. Lee

  2. School of Mechanical and Industrial Engineering, Ajou University, 5 Wonchon-Dong, Paldal-Gu, Suwon, 442-749, Korea

    Y.-M. Park, J. Yoo & K.-H. Kim

  3. Division of Environment and Process Technology, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul, 130-650, Korea

    J.-S. Lim & B.-G. Lee

Authors
  1. C.-N. Kim
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  2. E.-H. Lee
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  3. Y.-M. Park
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  4. J. Yoo
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  5. K.-H. Kim
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  6. J.-S. Lim
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  7. B.-G. Lee
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Kim, CN., Lee, EH., Park, YM. et al. Vapor–Liquid Equilibria for the 1,1,1-Trifluoroethane (HFC-143a)+1,1,1,2-Tetrafluoroethane (HFC-134a) System. International Journal of Thermophysics 21, 871–881 (2000). https://doi.org/10.1023/A:1006610223852

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  • DOI: https://doi.org/10.1023/A:1006610223852

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