Surface Tension Measurement for a New Low-GWP Refrigerant HFO-1123 by a Differential Capillary Rise Method

Chieko Kondou, Yukihiro Higashi

Research output: Contribution to journalArticle

Abstract

By a differential capillary rise method, the surface tension was measured for a new candidate of low GWP refrigerant HFO-1123. 16 points of surface tension data with a propagated uncertainty of approximately ±0.22 mN m-1 are presented in this paper. Based on the measured data, a Van der Waals type empirical correlation was proposed for HFO-1123:
σ = 61.02 (1-T/Tcrit)1.30 [mN m-1], where Tcrit is a critical temperature of 331.7 K measured by Higashi and Akasaka. This empirical correlation agrees with the measured surface tension data at temperatures from 267 K to 304 K.
Original languageEnglish
Pages (from-to)404-408
Number of pages6
Journal日本冷凍空調学会論文集
Volume35
Issue number4
DOIs
Publication statusPublished - Dec 1 2018

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