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  • 闫朝辉,文伟,何建,李雪芹,刘志宏,武玉,吴杰峰.CRAFT TF 导体弯绕成形力学仿真与试验[J].低温物理学报,2023,(1):22-29.    [点击复制]
  • YAN Zhaohui,WEN Wei,HEJian,LI Xueqin,LIU Zhihong,WU Yu,WU Jiefeng.Mechanical Simulation and Experiment of CRAFT TF Conductor Bending[J].LOW TEMPERATURE PHYSICAL LETTERS,2023,(1):22-29.   [点击复制]
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CRAFT TF 导体弯绕成形力学仿真与试验
闫朝辉1,2, 文伟1, 何建1,2, 李雪芹2,3, 刘志宏1, 武玉1, 吴杰峰1
0
(1.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;2.中国科学技术大学, 合肥 230026;3.合肥聚能电物理高技术开发有限公司, 合肥 230031)
摘要:
聚变堆主机关键系统综合研究设施(CRAFT) 是为了探索与建设中国聚变工程试验堆(CFETR) 关键技术和原型系统的大科学装置. 环向场(Toroidal Field, TF) 线圈是 CRAFT 系统的 重 要 组 成 部 分, 旨 在 研 制 出 用 于CFETR 环向场原型线圈. 本文基于弹塑性力学理论, 通过建立 TF 导体连续弯绕成形有限元分析模型, 对 TF 导体弯曲成形过程进行力学仿真, 获得了 TF 导体在成形过程中的应力、 应变和成形力等力学参数, 预测了 TF 线圈绕制过程导体截面变形、 回弹、 应力和应变情况, 并采用 TF 导体开展了弯曲成形验证试验, 为 TF 线圈的精密绕制和成形设备的工程设计提供了可靠的依据.
关键词:  TF 线圈,CICC 导体, 成形, 力学仿真
DOI:
基金项目:
Mechanical Simulation and Experiment of CRAFT TF Conductor Bending
YAN Zhaohui1,2, WEN Wei1, HEJian1,2, LI Xueqin2,3, LIU Zhihong1, WU Yu1, WU Jiefeng1
(1.Institute of Plasma Physics , Hefei Institutes of Physical Science Chinese Academy of Sciences , Hefei 230031;2.University of Science and Technology of China , Hefei 230026;3.Hefei Juneng Electric Physics High Tech Development Co . , LTD ,Hefei 230031)
Abstract:
The Comprehensive Research Facility for Fusion Technology (CRAFT), a National big science facility in China, is focused on exploring and building key technologies and prototype systems for Chinese Fusion Engineering Test Reactor (CFETR). The toroidal field (TF) coil is one of the most important parts of CRAFT, targeting at manufacturing a prototype TF coil for CFETR. This paper presents a finite element analysis model of continuous bending and forming of TF conductor based on elastoplastic mechanics theory. The mechanical simulation of TF conductor bending and forming process is carried out to obtain the stress, strain and forming force of TF conductor in the forming process. The deformation, springback, stress and strain of conductor section in the winding process of TF coil are predicted and a bending forming verification test is conducted using TF conductor. These results provide a reliable basis for the precision winding of TF coil and engineering design of the forming equipment.
Key words:  TF coil, CICC conductor, Bending, Mechanical simulation

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