SATURATED LIQUID DENSITY OF 1,1-DIFLUOROETHANE(R 152a) AND THERMODYNAMIC PROPERTIES ALONG THE VAPOR-LIQUID COEXISTENCE CURVE.

Haruki Sato, Masaaki Okada, Masahiko Uematsu, Koichi Watanabe

研究成果: Paper査読

抄録

Saturated liquid densities of 1,1-difluoroethane(CH//3CHF//2) are measured at temperatures from 223 K to 363 K with the estimated uncertainty of plus or minus 0. 2% by a 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 vapor-liquid coexistence curve are derived.

本文言語English
出版ステータスPublished - 1987 12 1

ASJC Scopus subject areas

  • Engineering(all)

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