Solid-liquid equilibria for the carbon dioxide + 1,1-tetrafluoroethane and nitrous oxide + 1,1-tetrafluoroethane systems

G. Di Nicola, G. Santori, R. Stryjek

Research output: Contribution to journalArticlepeer-review

Abstract

A recently built experimental setup was employed for the estimation of the solid-liquid equilibria of alternative refrigerant systems. The behavior of two binaries, i.e., carbon dioxide + 1,1-tetrafluoroethane (CO2 + R134a) and nitrous oxide + 1,1-tetrafluoroethane (NO + R134a), was measured down to temperatures of 142 K. The triple points of CO and NO were measured to confirm the reliability of the apparatus. The triple point of R134a was also measured; however, the pressure at the triple point for this fluid was too low to be accurately measured with the current apparatus. All triple point data measured revealed a generally good consistency with the literature. The results obtained for the mixtures were interpreted by means of the Schröder equation.
Original languageEnglish
Pages (from-to)1980-1983
Number of pages4
JournalJournal of Chemical and Engineering Data
Volume53
Issue number8
DOIs
Publication statusPublished - 1 Aug 2008

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