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Mechanical Design of a Nb3Sn Superconducting Magnet System for a 45 GHz ECR Ion Source

文献类型：期刊论文

作者Juchno, Mariusz2; Zhao, Hongwei1; Xie, Daniel2; Wu, Wei1; Sun, Liangting1; Sabbi, Gian Luca2; Ravaioli, Emmanuele2; Lu, Wang2; Hafalia, Aurelio2; Zhu, Li1
刊名IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
出版日期2018-04-01
卷号28期号:3页码:4602806
关键词ECR ion source Nb3Sn magnets
ISSN号1051-8223
DOI10.1109/TASC.2017.2773832
英文摘要Lawrence Berkeley National Laboratory in collaboration with the Institute of Modern Physics, Lanzhou, China, has developed a Nb3Sn superconducting magnet system for a fourth-generation electron cyclotron resonance (ECR) ion source operating at the microwave frequency of 45 GHz. This paper presents a mechanical design capable of supporting the magnet up to the required operational level, resulting in peak coil fields in the order of 12 T, without exceeding the stress limits of any of the component-sparticularly, the brittle Nb3Sn conductor. The coil system, based on the sextupole-in-solenoid configuration, is supported by a shell-based structure that uses an aluminum cylinder pretensioned using Bladder & Key Technology (with water-pressurized bladders) during the magnet assembly. High thermal contraction of the shell attains the target preload level at cryogenic temperatures during operation without overstressing the coils during room-temperature assembly. We present the optimization progression of the support structure, describe its main components and assembly procedure, and examine the predicted coil stress at each step of the magnet assembly and operation using the three-dimensional finite-element mechanical model.
资助项目NSFC[11427904]
WOS研究方向Engineering ; Physics
语种英语
WOS记录号WOS:000427232200001
出版者IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
资助机构NSFC
源URL[http://119.78.100.186/handle/113462/46343]  
专题近代物理研究所_兰州重离子研究装置
通讯作者Juchno, Mariusz
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
2.Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
推荐引用方式
GB/T 7714		 Juchno, Mariusz,Zhao, Hongwei,Xie, Daniel,et al. Mechanical Design of a Nb3Sn Superconducting Magnet System for a 45 GHz ECR Ion Source[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2018,28(3):4602806.
APA Juchno, Mariusz.,Zhao, Hongwei.,Xie, Daniel.,Wu, Wei.,Sun, Liangting.,...&Zhu, Li.(2018).Mechanical Design of a Nb3Sn Superconducting Magnet System for a 45 GHz ECR Ion Source.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,28(3),4602806.
MLA Juchno, Mariusz,et al."Mechanical Design of a Nb3Sn Superconducting Magnet System for a 45 GHz ECR Ion Source".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 28.3(2018):4602806.

入库方式： OAI收割

来源：近代物理研究所

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