Saturated liquid density of 1,1difluoroethane(R 152a) and thermodynamic properties along the vaporliquid coexistence curve

Haruki Sato, Masahiko Uematsu, Koichi Watanabe, Masaaki Okada

研究成果: Article査読

31 被引用数 (Scopus)

抄録

Saturated liquid densities of 1,1-difluoroethane(CH3CHF2) are measured at temperatures from 223 K to 363 K with the estimated uncertainty of 0.2 % by magnetic densimetry. The experimental results are compared with the available experimental data and some correlations and equations of state. A simple correlation for the saturated liquid density is developed as a function of temperature. This correlation covers the temperature range up to the critical point which reproduces the present experimental results with the percent mean deviation of 0.11 %. Adding the available experimental data with respect to the vapor pressure, critical parameters, saturated vapor density, and the second virial coefficient to the present saturated liquid density data, the parameters of the Redlich-Kwong-Soave equation of state are determined and the thermodynamic properties along the vaporliquid coexistence curve are derived.

本文言語English
ページ(範囲)167-181
ページ数15
ジャーナルFluid Phase Equilibria
36
C
DOI
出版ステータスPublished - 1987 10 2

ASJC Scopus subject areas

  • 化学工学(全般)
  • 物理学および天文学(全般)
  • 物理化学および理論化学

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