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A cryogenic visual apparatus for solid-liquid equilibrium and the measurement of CH4 + C2H6.

Author(s) : WANG X., ZHAO X., YIN W., ZHANG J., ZHAO Y., DONG X., GONG M.

Type of article: IJR article

Summary

In this work, an apparatus was designed to measure the phase equilibrium for cryogenic pure fluids and mixtures. The apparatus features view windows and an internal stirrer, and the solid-liquid equilibrium (SLE) is determined through a combination of visual observation and thermal analysis. The apparatus is capable of operating over a range of temperatures (40–300 K) and pressures (0–5 MPa), and has been validated through the measurement of triple points of various fluids. The standard combined uncertainties of temperature, pressure and mole fraction for the SLE measurements are no greater than ±0.70 K, ±0.012 kPa, and 0.010, respectively. The performance of the apparatus is further demonstrated through the presentation of experimental SLE data for methane-ethane binary mixtures.

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Pages: 110-115

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Details

  • Original title: A cryogenic visual apparatus for solid-liquid equilibrium and the measurement of CH4 + C2H6.
  • Record ID : 30031961
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
  • Publication date: 2023/09
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2023.06.005

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