The operation behaviour of an active magnetic regenerator (AMR) with a wavy-structure, or a honeycomb-like regenerator bed was numerically investigated. The thermodynamic model was applied to a static regenerator and - in a generalized version - to a rotary type. The models take two-dimensionalunsteady heat conduction in the magnetic material during the four basic processes of the AMR cycle into account. The numerical results were used to determine optimal arrangements of different magnetic materials in order to obtain larger temperature spans between both ends of the porous beds. Furthermore, a first study of magnetic flux lines in a porous rotary heatexchanger was performed.
| Language: | English |
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| Keywords: | magnetni hladilniki, prenosniki toplote, regeneratorji, porozni mediji, modeliranje, zmogljivosti, materiali, magnetic refrigerator, heat exchanger, regenerator, material, porous medium, modelling, performance |
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| Work type: | Not categorized (r6) |
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| Tipology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering |
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| Year: | 2006 |
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| Number of pages: | str. 1332-1339 |
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| Numbering: | Letn. 29, št. 8 |
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| UDC: | 621.56/.59 |
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| ISSN on article: | 0140-7007 |
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| COBISS.SI-ID: | 9805595  |
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| Views: | 932 |
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| Downloads: | 285 |
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