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Investigation of the vapour liquid equilibrium behaviour of blends comprising R125, R134a, R600 or R600a.
Author(s) : CHAMBERS O. R., ROBERTS N. A.
Summary
With the phase-out of HCFCs, many studies have been performed on four alternatives to replace R22, i.e. R404A, R407C, R410A and R417A. These blends comprise two or three of R32, R125, R134a, R143a, and R600. This range of blends has shown that replacement of R22 in all its applications is not easily achieved by the use of a single product or even different compositions of the same components. The paper details the results of trials for three blends based on the same components which give improved performances compared to the current alternatives proposed. The blends, suitable for use across the R22 application range, have zero ozone depletion potential, are non-flammable and have optimized performance for low, medium and high temperature applications.
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Details
- Original title: Investigation of the vapour liquid equilibrium behaviour of blends comprising R125, R134a, R600 or R600a.
- Record ID : 2004-2658
- Languages: English
- Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
- Publication date: 2003/08/17
Links
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Indexing
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Themes:
HFCs;
Hydrocarbons;
Blends - Keywords: Thermal property; R143a; R134a; Isobutane; Butane; Measurement; R32; R125; Thermodynamic property; Zeotropic mixture; Azeotropic mixture; Refrigerant
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