合肥先进光源储存环超导纵向梯度弯铁样机研制  

Development of a superconducting longitudinal gradient bend prototype for Hefei Advanced Light Facility storage ring

作　　者：陈超 杜双松 胡锐 李为民[1] 王琳[1] 冯光耀[1] Chen Chao;Du Shuangsong;Hu Rui;Li Weimin;Wang Lin;Feng Guangyao(National Synchrotron Radiation Laboratory,University of Science and Technology of China,Hefei 230029,China;Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,China;Hefei CAS Ion Medical Technical Device Co.,Ltd,Hefei 230088,China)

机构地区：[1]中国科学技术大学国家同步辐射实验室,合肥230029 [2]中国科学院合肥物质科学研究院,等离子体物理研究所,合肥230031 [3]合肥中科离子医学技术装备有限公司,合肥230088

出　　处：《强激光与粒子束》2024年第8期82-90,共9页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(12205299);国家重点研发计划项目(2016YFA0402000)。

摘　　要：介绍了合肥先进光源储存环超导纵向梯度弯铁样机的研制工作,基于已发展的一种磁体结构参数优化方法,综合考虑磁场空间分布需求和超导线圈工作负载,完成了磁铁结构的设计和优化。为了验证磁体设计方案,应用一种矩形铌钛线材和DT4C电工纯铁材料,研制了一台纵向长度0.30 m、磁极间隙46 mm的磁体样机。并搭建了一套简易低温测试装置,对该磁体进行了励磁特性测量,经过10余次失超,测得磁体最大工作电流大于275 A。磁体纵向磁场分布测量结果表明,该磁体在约196 A工作电流下,纵向磁场积分值达到0.4 T·m,峰值磁场约4.5 T。测试结果与理论设计结果基本一致,表明该种超导磁体的设计是可行的。This paper presents the development of superconducting longitudinal gradient bend prototype for Hefei Advanced Light Facility storage ring.The magnet structure parameters were optimized using a developed method that considered the requirements of spatial magnetic field distribution and magnet operating load.To verify the magnet design,a prototype magnet with a longitudinal length of 0.30 m and a pole gap of 46 mm was fabricated using a rectangular niobium-titanium wire and DT4C material.A simple low-temperature test device was built to measure the magnetizing characteristics of the magnet,and after more than 10 times of quench,the maximum operating current of the magnet was measured to be more than 275 A.The longitudinal magnetic field distribution of the magnet was measured,revealing an integral field of 0.4 T·m and a peak magnetic field of approximately 4.5 T at an operating current of about 196 A.The test results are basically consistent with the theoretical design,indicating that the design is reliable.

关 键 词：衍射极限储存环 超导纵向梯度弯铁 铌钛超导线圈 低温测试 失超 

分 类 号：TL594[核科学技术—核技术及应用] O441[理学—电磁学] O514[理学—物理]