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An equation of state for 1,1-difluoroethane (HFC152a).
Author(s) : TAMATSU T., SATO H., WATANABE K.
Type of article: Article, IJR article
Summary
An equation of state for 1,1-difluoroethane was developed on the basis of reliable experimental data including PVT, liquid isobaric specific heat, and saturated-liquid-density data measured by the authors. The effective range is for pressures up to 15 megapascals, temperatures from 230 to 450 K, and densities to 1000 kg/m3. The equation represents reliable PVT measurements within more or less 1% in pressure for the superheated vapour and supercritical fluid, while within more or less 0.5% in density for the compressed liquid. In addition, it represents the other essential thermodynamic properties including vapour pressures, saturated-liquid/vapour densities, isobaric/isochoric specific heats and sound velocity in both the liquid and gaseous phase of R152a.
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Details
- Original title: An equation of state for 1,1-difluoroethane (HFC152a).
- Record ID : 1994-0105
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 16 - n. 5
- Publication date: 1993/09
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Indexing
- Themes: HFCs
- Keywords: Calculation; Measurement; R152a; Thermodynamic property; Substitute; Equation of state; Refrigerant
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