HFO-1234yf の気相域におけるPρT 性質

  • 田中 勝之
    いわき明星大学科学技術学部科学技術学科
  • 東 之弘
    いわき明星大学科学技術学部科学技術学科

書誌事項

タイトル別名
  • <i>PρT</i> Property for HFO-1234yf in the Gaseous Phase
  • HFO 1234yf ノ キソウイキ ニ オケル P ロー T セイシツ

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Measurement of the PρT property for HFO-1234yf (2,3,3,3-tetrafluoropropene) in the gaseous phase was carried out using metal-bellows volumometer. Two hundreds and three PρT properties were obtained in the range of temperatures from (310 to 360) K, of pressures from (927 to 2895) kPa and of densities from (52 to 239) kg/m3. The experimental uncertainties are estimated to be 10 mK for temperatures, 2 kPa for pressures, and (0.11 to 0.31) kg/m3 for densities. The sample purity was better than 99.85 % in mole fraction. On the basis of the present data, the virial equation of state was correlated and the virial coefficients were obtained. In addition, the saturated vapor densities were determined from present virial equation of state by substituting the available vapor pressure values. Moreover, the present data were compared with values calculated from existing equations of state.

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