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Surface tension measurement of low GWP refrigerant mixtures HFO-1123/HFC-32 and HFO-1234ze(E)/HFC-32.

Number: pap. 2165

Author(s) : KONDOU C., MATSUZONO T., HIGASHI Y.

Summary

The study presents the surface tension measurement data of HFO-1123 and HFO-1234ze(E) with global warming potential (GWP) of less than 1 and of binary mixtures HFO-1123/HFC-32 and HFO-1234ze(E)/HFC-32. The capillary constant and surface tension of the fluids are measured across temperatures in a range of 267 K to 307 K with a differential capillary rise with a propagated uncertainty of ±0.23 mN m-1. Among the selected predicting methods, the correlations of DiNicola et al. (2018) exhibit the best agreement to the measured surface tension of both HFO-1123 and HFO-1234ze(E). In order to predict the surface tension HFO-1123/HFC-32 and HFO-1234ze(E)/HFC-32, empirical correlations are proposed based on the measured data.

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Pages: 8

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Details

  • Original title: Surface tension measurement of low GWP refrigerant mixtures HFO-1123/HFC-32 and HFO-1234ze(E)/HFC-32.
  • Record ID : 30024432
  • Languages: English
  • Source: 2018 Purdue Conferences. 17th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2018/07/09

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