随着室温磁制冷技术的发展, 许多具有巨磁热效应的材料被开发出, 但多是在高场强的超导磁体中获得的. 为应用磁制冷技术到家用空调和冰箱, 除了巨磁热效应的磁致冷材料外, 设计出高场强的永磁磁路也尤其重要. 针对旋转式室温磁制冷机, 采用有限元方法设计并制作了具有较高场强的永磁磁路, 在磁路工作气隙为20 mm时, 工作气隙中心的场强的计算值及实测值均高于1.5 T, 且计算值与实测值基本相符.
参考文献
| [1] | Pecharsky V K;Gschneidner K A Jr .Magnetocaloric effect and magnetic refrigeration[J].Journal of Magnetism and Magnetic Materials,1999,200(01):44. |
| [2] | Kuzmin M D;Tishin A M .Magnetocaloric effect Part 1:An introduction to various aspects of theory and practices[J].Cryogenics,1992,32:545. |
| [3] | Pecharsky VK.;Pecharsky AO.;Tishin AM.;Gschneider KA. .Thermodynamics of the magnetocaloric effect - art. no. 144406[J].Physical Review.B.Condensed Matter,2001(14):4406-0. |
| [4] | 吴卫,冯再,郭立君.关于室温磁制冷材料的评价[J].中国稀土学报,2005(01):48-52. |
| [5] | Brown G V .Magnetic heat pumping near room temperature[J].Journal of Applied Physics,1976,47(08):3673. |
| [6] | Zimm C B;Jastrab A;Sternberg A et al.Description and performance of a near-room temperature magnetic refrigerator[J].Advances in Cryogenic Engineering,1998,43:1759. |
| [7] | Kirol Lance D;Dacus Michael W .Rotary recuperative magnetic heat pump[J].Advances in Cryogenic Engineering,1988,33:757. |
| [8] | Bohigas X;Molins E;Roig A et al.Room-temperature magnetic refrigerator using permanent magnets[J].IEEE Transactions on Magnetics,2000,36:538. |
| [9] | Dai W;Shen B G;Li D X et al.Application of high-energy Nd-Fe-B magnets in the magnetic refrigeration[J].Journal of Magnetism and Magnetic Materials,2000,218:25. |
| [10] | Leupold H A;E Potenziani Ⅱ .Novel high-field permanent magnet flux sources[J].IEEE Transactions on Magnetics,1987,23:3628. |
| [11] | Leupold H.A. .Approaches to permanent magnet circuit design[J].IEEE Transactions on Magnetics,1993(6):2341-2346. |
| [12] | Leupold H A;E Potenziani Ⅱ;Abele M G .Applications of yokeless flux confinement[J].Journal of Applied Physics,1988,64(10):5994. |
| [13] | Leupold H A;E Potenziani Ⅱ;Tilak A S .Lightweight,distortion-free access to interiors of strong magnetic field sources[J].Journal of Applied Physics,1994,76(10):6856. |
| [14] | Leupold H A;Mclane G F .Fabrication of multipolar magnetic field sources[J].Journal of Applied Physics,1994,76(10):6253. |
| [15] | Halbach K .Design of permanent multipole magnets with oriented rare earth cobalt material[J].Nuclear Instruments and Methods in Physics Research,1980,169:1. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%