Research on rotary porous wheel magnetic heat pumps in Switzerland.
Author(s) : KITANOVSKI A., VUARNOZ D., DIEBOLD M., et al.
Summary
Since the discovery of the "giant" magnetocaloric effect in 1997 magnetic heating and refrigeration reveals a realistic potential to enter some markets with machines based on the rectilinear or rotational operation principle. The Swiss Federal Office of Energy demanded a feasibility study to evaluate the efficiency and cost of a magnetic heat pump operating in a minimal energy house (Minergy house). This system operates between a ground heat source and a floor heating system and, therefore, shows the following characteristic data: heating power 8 kW, source temperature 0°C, sink temperature 35°C. This technical and economic study reveals that a magnetic heat pump has a higher efficiency than that of a conventional compression/expansion heat pump. The price obtained for such a magnetic heat pump - with the assumption of a basic cost of magneto caloric material of 125 euros/kg - is estimated to be approximately 30% higher than that of a conventional one.
Details
- Original title: Research on rotary porous wheel magnetic heat pumps in Switzerland.
- Record ID : 2009-0851
- Languages: English
- Subject: Technology
- Source: 9th IEA Heat Pump Conference 2008: advances and prospects in technology, applications and markets. Conference proceedings [CD-ROM + abstracts].
- Publication date: 2008/05/20
Links
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Indexing
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Themes:
Other heat-pump applications;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Technology; Household application; Magnetic refrigerator; Switzerland; Heat pump; Development; COP
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