Analysis and experimental concepts of the vibrating wire alignment technique

The vibrating wire alignment technique is a method which, by measuring the spatial distribution of a magnetic field, can achieve very high alignment accuracy. The vibrating wire alignment technique can be applied to fiducializing magnets and the alignment of accelerator straight section components,...

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Published inChinese physics C Vol. 38; no. 11; pp. 99 - 106
Main Author 王小龙 董岚 吴蕾 李春华
Format Journal Article
LanguageEnglish
Published 01.11.2014
Subjects
Accelerators
Alignment
Amplitudes
Magnetic fields
Magnetic induction
Mathematical models
Spatial distribution
Wire
实验
对准技术
对准精度
振弦
模型分析
磁感应强度
空间分布
频率计算
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Summary:The vibrating wire alignment technique is a method which, by measuring the spatial distribution of a magnetic field, can achieve very high alignment accuracy. The vibrating wire alignment technique can be applied to fiducializing magnets and the alignment of accelerator straight section components, and it is a necessary supplement to conventional alignment methods. This article gives a systematic summary of the vibrating wire alignment technique, including vibrating wire model analysis, system frequency calculation, wire sag calculation, and the relation between wire amplitude and magnetic induction intensity. On the basis of this analysis, this article outlines two existing alignment methods, one based on magnetic field measurement and the other on amplitude and phase measurements. Finally, some basic experimental issues are discussed.
Bibliography:The vibrating wire alignment technique is a method which, by measuring the spatial distribution of a magnetic field, can achieve very high alignment accuracy. The vibrating wire alignment technique can be applied to fiducializing magnets and the alignment of accelerator straight section components, and it is a necessary supplement to conventional alignment methods. This article gives a systematic summary of the vibrating wire alignment technique, including vibrating wire model analysis, system frequency calculation, wire sag calculation, and the relation between wire amplitude and magnetic induction intensity. On the basis of this analysis, this article outlines two existing alignment methods, one based on magnetic field measurement and the other on amplitude and phase measurements. Finally, some basic experimental issues are discussed.
WANG Xiao-Long, DONG Lan, WU Lei, LI Chun-Hua （ 1 China Spallation Neutron Source （CSNS）, Institute of High Energy Physics （IHEP）, Chinese Academy of Sciences （CAS）, Dongguan 523803, China ; 2 Dongguan Institute of Neutron Science （DINS）, Dongguan 523808, China; 3 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; 4 University of Chinese Academy of Sciences, Beijing 100049, China）
11-5641/O4
vibrating wire, alignment, magnetic field measurement, accelerator, magnet
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/38/11/117010