Abstract
The goal of the
Danish ENOVHEAT project is to design and realize a high-efficiency
magnetocaloric heat pump for the residential sector, based on the active
magnetic regenerator (AMR) technology. Such a heat pump should have a
coefficient of performance (COP) of at least 5, while giving a heating power of
1500 W over a temperature span of 25 K. This paper explains several details of
the device, such as the design of the magnet, the regenerator housing and the
flow system. In particular, this paper investigates the best geometry for the
regenerator bed to achieve a thermal and mechanically efficient housing to be
used in the AMR system. Particular attention has been given to the reduction of
the parasitic losses through the regenerator housing: both heat leaks between the
magnetocaloric material (MCM) and an adjacent iron ring and the surroundings through
a lid on top of the regenerator. These quantities have been decreased by
creating an embossment on the bottom surface of the regenerator and by placing
a thin rubber sheet between the magnetocaloric material and the steel lid,
respectively.
| Original language | English |
|---|---|
| Publication date | 2017 |
| Number of pages | 10 |
| Publication status | Published - 2017 |
| Event | 9th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (ExHFT-9 2017) - Iguazu Falls, Brazil Duration: 11 Jun 2017 → 15 Jun 2017 Conference number: 9 http://exhft9.org/ |
Conference
| Conference | 9th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (ExHFT-9 2017) |
|---|---|
| Number | 9 |
| Country/Territory | Brazil |
| City | Iguazu Falls |
| Period | 11/06/2017 → 15/06/2017 |
| Internet address |
Keywords
- Magnetic refrigeration
- Active magnetic regeneration
- Regenerator housing geometry
- Heat transfer