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Viscosity Measurement of cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) by Tandem Capillary Tubes Method.

Author(s) : ALAM J., ISLAM M. A, KARIYA K., MIYARA A.

Type of article: IJR article

Summary

A Hydro-Fluro-Olefin (HFO) cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) can be assessed as a promising working fluid in the high-temperature heat pump as it has a low global warming potential (GWP). In this work, the viscosity of R1234ze(Z) is measured in liquid and vapor phases by the method of tandem capillary tubes. The viscosity measurements were performed from 0.5 to 4.08 MPa pressure over a temperature ranges from 313.74 to 414.31 K at liquid and 354.07 to 455.80 K at vapor phase. Total expanded uncertainties of the viscosity measurement with and 95% confidence level in liquid and vapor phase are lower than ±2.19% and ±2.59%, respectively. Viscosities at saturation conditions are estimated from experimental measurement data by the extrapolation method. Simplified correlations are developed in terms of saturation temperature for the viscosity of liquid and vapor at saturation conditions.

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Pages: 341-347

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Details

  • Original title: Viscosity Measurement of cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) by Tandem Capillary Tubes Method.
  • Record ID : 30029141
  • Languages: English
  • Subject: HFCs alternatives
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
  • Publication date: 2021/11
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2021.04.004
  • Document available for consultation in the library of the IIR headquarters only.

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