Bubble-point pressures and saturated- and compressed-liquid densities of the binary R-125 + R-143a system

T. Fujimine, H. Sato, K. Watanabe

研究成果: Conference article査読

21 被引用数 (Scopus)

抄録

Bubble-point pressures and saturated- and compressed-liquid densities of the binary R-125 (pentafluoroethane) + R-143a (1,1,1-trifluoroethane) system have been measured for several compositions at temperatures from 280 to 330 K by means of a magnetic densimeter coupled with a variable-volume cell mounted with a metallic bellows. The experimental uncertainties of the temperature, pressure, density, and composition were estimated to be within ±10 mK, ±12 kPa, ±0.2%, and ±0.2 mass%, respectively. The purities of the samples used throughout the measurements are 99.96 area% for R-125 and 99.94 area% for R-143a. Based on these measurements, the thermodynamic behavior of the vapor-liquid equilibria of this binary refrigerant mixture has been represented using the Peng-Robinson equation for the bubble-point pressures, a correlation for the saturated-liquid densities, and an equation of state for the compressed-liquid densities.

本文言語English
ページ(範囲)911-922
ページ数12
ジャーナルInternational Journal of Thermophysics
20
3
DOI
出版ステータスPublished - 1999 1月 1
イベントProceedings of the 1997 13th Symposium Thermophysical Properties in Honor of Ared Cezairliyan - Boulder, CO, USA
継続期間: 1997 6月 221997 6月 27

ASJC Scopus subject areas

  • 凝縮系物理学

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