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Boil-off calorimetry enthalpy measurements and equation of state of an aqueous pyridine azeotrope.

Author(s) : MCCOPPIN J. R., HANCHAK M. S., ELSTON L. J., YOUNG H. D.

Type of article: IJR article

Summary

We present measurement and modeling of the thermo-physical properties of an aqueous pyridine azeotrope for evaluation as a working fluid for power and thermal management applications. The enthalpy values of the Pyridine/water azeotrope were measured using an electrical matching boil-off flow calorimeter in the range of P = 0.101 to 11 MPa and T = 373 to 575 K. A Peng-Robinson equation of state model for mixtures was fitted to the experimental data using a temperature-dependent binary interaction parameter. The results were used to develop a pressure-enthalpy diagram with isotherms in both the liquid and vapor states.

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Pages: 264-270

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Details

  • Original title: Boil-off calorimetry enthalpy measurements and equation of state of an aqueous pyridine azeotrope.
  • Record ID : 30028534
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 128
  • Publication date: 2021/08
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2021.04.006
  • Document available for consultation in the library of the IIR headquarters only.

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