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Considering the technology presently used and the equipment produced in large numbers, propane (R290) is presently an excellent choice. COPs of propane are higher than that of R22. A further advantage of R290 is the low discharge temperature; internal heat exchanger can be used to improve both efficiency and capacity, even high temperature lifts can be realized with one-stage systems. The only problem of R290 is flammability. However the danger caused by propane equipment is relatively low. Nevertheless regulations have to be adapted.
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Details
- Original title: Propane for heat pumps.
- Record ID : 1996-3054
- 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.
Links
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Indexing
- Themes: Heat pumps techniques
- Keywords: R22; Substitute; Propane; Heat pump; Performance; Refrigerant
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Propane as refrigerant in heat pumps: the best ...
- Author(s) : FREHN B.
- Date : 1993/10
- Languages : German
- Source: Klima Kälte Heiz. - vol. 21 - n. 10
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Prestazioni di una pompa di calore progrettata ...
- Author(s) : MURA P. G., CARLINI U., INNAMORATI R., et al.
- Date : 2001/11
- Languages : Italian
- Source: Termotecnica - vol. 55 - n. 9
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Comparing R290 with R22 in heat pumps.
- Author(s) : HWANG Y., GADO A., RADERMACHER R.
- Date : 2003/01
- Languages : English
- Source: ASHRAE Journal - vol. 45 - n. 1
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Testing of a heat pump with propane as working ...
- Author(s) : IEA HPC, LYSTAD T.
- Date : 1995/10/16
- Languages : English
- Source: Compression systems with natural working fluids. Applications, experience and developments. Workshop proceedings.
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Experiences in using propane in heat pumps.
- Author(s) : KOERNER F.
- Date : 1994/04/13
- Languages : German
- Source: Anwendung von R290 (Propan) in Kälteanlagen.
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