IIR document
Experimental measurements and modelling of vapour-liquid equilibrium of 2,3,3,3-tetrafluoropropene (R-1234yf) + 1,1,1,2,2-pentafluoropropane (R-245cb) system.
Author(s) : VALTZ A., ABBADI J. el, COQUELET C., et al.
Type of article: Article, IJR article
Summary
Isothermal vapour-liquid equilibrium (VLE) of the R-1234yf + R-245cb binary system were measured using a “static-analytic”apparatus at temperatures from 283.39 to 343.27 K. The data measured were compared with literature data for conformity checking. Albeit both VLE measurement sets are in good accordance, an unexpected behaviour was observed for the relative volatility calculated on the basis of the literature data. The thermodynamic model used for the calculations reproduces very well R-1234yf + R-245cb VLE data, and is based on a 3-parameter cubic equation of state (denoted by NEoS). This cubic equation of state was associated with the Mathias–Copeman alpha function and van der Waals mixing rules. Comparisons were also done with Peng–Robinson EoS with similar alpha function and mixing rules.
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Details
- Original title: Experimental measurements and modelling of vapour-liquid equilibrium of 2,3,3,3-tetrafluoropropene (R-1234yf) + 1,1,1,2,2-pentafluoropropane (R-245cb) system.
- Record ID : 30026987
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 107
- Publication date: 2019/11
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2019.07.024
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Indexing
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Themes:
Thermodynamic measurements;
HFCs;
Blends - Keywords: R1234yf; Equilibrium; Measurement; Liquid-vapour; R245cb; Modelling; Binary mixture; Equation of state
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