ESS靶前束流剖面及束晕监测器样机的研制

牛海华; 李有堂; 张斌; 何源; CyrilleThomas; 谢宏明; 贾欢; 王志军

doi:10.11884/HPLPB201931.190167

ESS靶前束流剖面及束晕监测器样机的研制

doi: 10.11884/HPLPB201931.190167

牛海华^{1, 2,},
李有堂¹,
张斌²,
何源^2, ,,
CyrilleThomas³,
谢宏明²,
贾欢²,
王志军²

1.
兰州理工大学机电工程学院, 兰州 730050
2.
中国科学院近代物理研究所, 兰州 730000
3.
欧洲散裂中子源, 瑞典伦德 SE-22100

基金项目:

中国科学院战略重点研究项目 XDA21010202

详细信息

作者简介:
牛海华(1987—)，女，在职博士，工程师，从事直线加速器相关机械设备研究; niuhh@impcas.ac.cn

通讯作者:
何源(1973—)，男，博士，研究员，从事高功率超导离子直线加速器物理和技术研究; hey@impcas.ac.cn

中图分类号: TL5
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- 文章访问数: 1033
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- 被引次数: 11
出版历程
- 收稿日期: 2019-05-15
- 修回日期: 2019-07-23
- 刊出日期: 2019-11-15

Development of beam profile and beam halo monitors prototype in front of target station for ESS

1.
School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
2.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
3.
European Spallation Source ERIC, P. O. Box 176, Lund SE-22100, Sweden

摘要

摘要: 为了研究靶前高功率束流的物理特性，欧洲散裂中子源计划研制一套靶前多丝束流剖面监测器及束晕监测器样机，样机的在线测试将在日本质子加速器研究设施的3 GeV质子束传输束线上进行。针对此束线现场安装管道狭小、监测器样机传动机构行程大的特点，提出一种适用于小通道的多点定位多丝束流剖面探头，将其与束晕探头集成在一个样机上，结构紧凑，可实现双探头的独立驱动。使用ANSYS workbench对探头及传动杆进行了变形分析，完成了样机的研制，通过丝间距光学影像测量、真空检漏、小孔通过性测试及通断检测，确保了样机的可靠性。
- 束流剖面监测器 /
- 束晕监测器 /
- 束流收集器 /
- 靶站 /
- 欧洲散裂中子源
Abstract: In order to study the physical characteristics of high power beam in front of target, the European spallation neutron source plans to develop two beam diagnostic prototypes, including a multi-wire beam profile monitor and a beam halo monitor. Online testing of the prototypes will be conducted on the 3 GeV proton beam transmission line (3NBT) at J-PARC of Japan. In view of the small installation pipe on dump of 3NBT, and the drive mechanism of the prototype should have a large stroke, a multi-wire beam profile monitor of multipoint position suitable for small pipe is proposed, which is integrated with beam halo probe in one prototype. The prototype has compact structure and can realize independent drive of two monitors. The deformation of the monitors and their transmission rods has been analyzed by using ANSYS Workbench. The development of the prototype is completed. To ensure the reliability of the prototype, the off-line testing, such as optical image measurement of wire spacing, vacuum leak detecting, small aperture pass testing and on-off testing has been completed.
- beam profile monitor /
- beam halo monitor /
- dump /
- target /
- European Spallation Source

HTML全文

图 1 J-PARC现场安装示意图

Figure 1. Site installation diagram of J-PARC

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图 2 多丝束流剖面探头原理示意图

Figure 2. Multi-wire beam profile and beam halo monitors schematic diagram

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图 3 多丝束流剖面和束晕探头模型

Figure 3. Multi-wire beam profile and beam halo monitors model

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图 4 探头集成

Figure 4. Monitors integration

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图 5 样机模型

Figure 5. Monitors prototype model

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图 6 探头及传动杆ANSYS模拟结果

Figure 6. ANSYS simulation result of probes and drive rods

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图 7 动密封方法兰结构

Figure 7. Structure of dynamic sealing flange

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图 8 多丝剖面探头及束晕探头

Figure 8. Multi-wire beam profile and beam halo monitors

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图 9 检漏及通过性测试真空室

Figure 9. Vacuum chamber for leak detecting and pass testing

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图 10 J-PARC现场安装

Figure 10. Site installation at J-PARC

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参考文献(11)

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[9]	王安鑫, 杨涛, 徐韬光, 等. 用于测量束流剖面的探测器: CN206892352U[P]. 2018-01-16. Wang Anxin, Yang Tao, Xu Taoguang, et al. A detector for measuring beam profile: CN206892352U. 2018-01-16
[10]	孙纪磊, 阮玉芳, 肖帅, 等. 强流质子加速器束流剖面分布及束晕测量系统设计[J]. 强激光与粒子束, 2011, 23(1): 190-194. http://www.hplpb.com.cn/article/id/4816 Sun Jilei, Ruan Yufang, Xiao Shuai, et al. Design of beam profile and halo measurement system for high-intensity RFQ accelerator. High Power Laser and Particle Beams, 2011, 23(1): 190-194 http://www.hplpb.com.cn/article/id/4816
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