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Phase equilibrium, density and miscibility of quasi-azeotrope mixtures HFC152a-HFC134a in refrigeration oils.
Author(s) : ZHELEZNYJ V. P., SEMENIUK Y. V., VLADIMIROV D. A., RETINYAK O. G., RYBNIKOV M. V.
Summary
As it is shown by the conducted thermodynamical analysis, the quasi-azeotrope mixture of R152a-R134a is a perspective substitute of R12 in the operating refrigeration equipment. The phase equilibrium was investigated by a static method. Researches were conducted within the temperature range of 48 to 360 K. The density of oil-refrigerant mixtures was determined in the range of temperatures from 220 to 370 K, the error was 0.1%. At a temperature of 254 K there is a good miscibility of the refrigerant with a serially produced oil.
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Details
- Original title: Phase equilibrium, density and miscibility of quasi-azeotrope mixtures HFC152a-HFC134a in refrigeration oils.
- Record ID : 1996-1455
- Languages: English
- Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
- Publication date: 1995/08/20
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
HFCs;
Lubricants - Keywords: Solubility; R134a; Equilibrium; Calculation; Measurement; Lubrication; Density; R152a; Substitute; Mixture; Refrigerant
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