Surface tension measurement for low GWP refrigerants HFO-1123 and HCFO-1224yd(z)

Chieko Kondou, Yukihiro Higashi

Research output: Contribution to journalConference article

Abstract

By a differential capillary rise method, liquid-vapor interface surface tension was measured for new candidates of next generation refrigerant HFO-1123 and HCFO-1224yd(Z) at temperatures from 266 K to 304 K and from 266 K to 340 K, respectively. The repeatability and reproducibility of the measurement method were checked with HFC-134a and HFC-32. The propagated uncertainty in surface tension was estimated to be within ±0.2 mNm-1. Based on the measured data, the Van der Waals type empirical correlations were proposed for HFO-1123 and HCFO-1224yd(Z), those are associated with the critical temperatures reported by Higashi and Akasaka. These empirical correlations agree with the measured surface tension data within the measurement uncertainty in the tested temperature range.

Original languageEnglish
Pages (from-to)178-186
Number of pages9
JournalRefrigeration Science and Technology
VolumePart F147651
DOIs
Publication statusPublished - Jan 1 2018
Event1st IIR International Conference on the Application of HFO Refrigerants, HFO 2018 - Birmingham, United Kingdom
Duration: Sep 2 2018Sep 5 2018

Fingerprint

refrigerants
Refrigerants
Surface tension
interfacial tension
liquid-vapor interfaces
Temperature
critical temperature
Vapors
temperature
Liquids
Uncertainty

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

Surface tension measurement for low GWP refrigerants HFO-1123 and HCFO-1224yd(z). / Kondou, Chieko; Higashi, Yukihiro.

In: Refrigeration Science and Technology, Vol. Part F147651, 01.01.2018, p. 178-186.

Research output: Contribution to journalConference article

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