2成分系混合作動流体 R 245fa + R 134a 系の熱力学的性質の測定:-第1報:気液共存曲線および臨界軌跡の測定-

Translated title of the contribution: Measurements of Thermodynamic Properties for the Binary R 245fa + R 134a Mixture:- 1st Report: Measurements of Vapor-liquid Coexistence Curve and Critical Locus -

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Abstract

Measurements of the vapor-liquid coexistence curve near the critical point for five compositions of the binary R 245fa + R 134a mixture were made by the direct observation of meniscus<tt>.</tt> With respect to 90.00 mass%, 70.00 mass%, 50.00 mass%, 30.00 mass%, and 20.00 mass% R 245fa mixtures, 16, 14, 14, 11, and 13 saturated density data were obtained<tt>,</tt>respectively. The critical parameters for five compositions were determined by the disappearing meniscus level as well as the intensity of critical opalescence. In addition, the correlation of the critical locus for the R 245fa + R 134a mixture was proposed.
Translated title of the contributionMeasurements of Thermodynamic Properties for the Binary R 245fa + R 134a Mixture:- 1st Report: Measurements of Vapor-liquid Coexistence Curve and Critical Locus -
Original languageJapanese
Journal日本冷凍空調学会論文集
Volume0
Issue number0
DOIs
Publication statusPublished - 2016

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