Selection of working fluids for high-temperature heat pumps

Selection of working fluids for high-temperature heat pumps

Criteria are described for working fluids in high-temperature heat pumps (HTHPs). Hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs) and hydrofluorinated ethers (HFEs) are being considered as working substances for HTHPs. Comparisons are made in terms of ecological and thermophysical proper...

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Veröffentlicht in:Energy (Oxford) 1995-07, Vol.20 (7), p.623-625
1. Verfasser: GOKTUN, S
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Devices using thermal energy
Ecology
Energy
Energy. Thermal use of fuels
Ethers
Exact sciences and technology
Fluorocarbons
Heat pumps
Hydrocarbons
Molecular weight
Physical properties
Refrigerants
Selection
Thermodynamic properties
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Zusammenfassung:Criteria are described for working fluids in high-temperature heat pumps (HTHPs). Hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs) and hydrofluorinated ethers (HFEs) are being considered as working substances for HTHPs. Comparisons are made in terms of ecological and thermophysical properties for working fluids. Three HCFCs (R-123, R-235ca and R-244ca), two HFCs (R-152 and R-245ca) and five HFEs (E-245, E-245cb, E-245fa, E-143 and E-254cb) are promising refrigerants for high-temperature applications.
ISSN:0360-5442
DOI:10.1016/0360-5442(95)00010-E