Cylindrical permanent-magnet structures using images in an iron shield
文献类型：期刊论文
| 作者 | Peng QL(彭全岭) ; Peng, QL; McMurry, SM; Coey, JMD
|
| 刊名 | IEEE TRANSACTIONS ON MAGNETICS
 |
| 出版日期 | 2003 |
| 卷号 | 39期号:4页码:1983-1989 |
| 关键词 | Halbach cylinders magnetic image effects magnetic shielding permanent-magnet flux sources |
| 通讯作者 | Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Trinity Coll Dublin, Dept Phys, Dublin 2, Ireland |
| 英文摘要 | We report on cylindrical permanent-magnet structures that exploit the image effect in a surrounding circular soft-iron sheath. We present the theory for a general multipole ring, where the polarization direction alpha = (n + 1)psi, n is a positive or negative integer, and psi is the angular coordinate. For the uniformly magnetized case n = -1, a long cylindrical ring produces no field in its bore, and the field outside the cylinder is that of a linear dipole. When surrounded by the sheath, the field becomes uniform in the bore and zero outside the cylinder. Higher multipole fields can similarly be transformed from outward fields to inward fields by using the sheath. The field can be varied continuously by moving the sheath. We describe a small variable-field device using a Nd-Fe-B cylinder that produces a flux density of 0-400 mT. |
| 学科主题 | Engineering; Physics |
| 类目[WOS] | Engineering, Electrical & Electronic ; Physics, Applied |
| 研究领域[WOS] | Engineering ; Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000184309300001 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/239604]  |
| 专题 | 高能物理研究所_加速器中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Peng QL,Peng, QL,McMurry, SM,et al. Cylindrical permanent-magnet structures using images in an iron shield[J]. IEEE TRANSACTIONS ON MAGNETICS,2003,39(4):1983-1989. |
| APA | 彭全岭,Peng, QL,McMurry, SM,&Coey, JMD.(2003).Cylindrical permanent-magnet structures using images in an iron shield.IEEE TRANSACTIONS ON MAGNETICS,39(4),1983-1989. |
| MLA | 彭全岭,et al."Cylindrical permanent-magnet structures using images in an iron shield".IEEE TRANSACTIONS ON MAGNETICS 39.4(2003):1983-1989. |
入库方式： OAI收割
来源：高能物理研究所
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