Institutional Repository of Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, Anhui, Peoples R China
Calculation Model of Coupling Loss Time Constant for Nb3Sn Conductor Under Cyclic Electromagnetic Load | |
Jiang Huawei1; Wu Songtao2 | |
2018-10-01 | |
发表期刊 | RARE METAL MATERIALS AND ENGINEERING |
ISSN | 1002-185X |
摘要 | On international thermal nuclear experimental reactor (ITER) superconducting fusion device, Nb3Sn composite strands have been applied to CICC (cable-in-conduit conductor) to undergo the impact of the magnet field above 12 T. The strain of Nb3Sn-based conductor due to Lorentz forces leads to changes in critical current and coupling loss time constant. Therefore the study on the critical performance degradation of CICC is still inadequate, and the influence of the contact properties with strain on the coupling loss time constant is also insufficient. In order to calculate the coupling loss accurately and quickly, a new calculation model of coupling loss time constant was put forward in this paper. The model is expressed by a linear equation using some parameters such as the cabling sequence ratio, contact resistance and void fraction with strain main from electromagnetic force. In this model, the computation expression of cabling sequence ratio, as well as the contact resistance and the void fraction are obtained under the strain from cyclic electromagnetic load. Compared with numerical calculation using Gandalf and the traditional method, coupling loss calculated by the new model has a small error, and it is close to the engineering measurement. |
关键词 | coupling loss time constant cable-in-conduit conductor cabling sequence ratio contact resistance void fraction |
关键词[WOS] | ITER |
收录类别 | SCI |
语种 | 英语 |
资助项目 | Henan Natural Science Foundation[162300410055] ; National Natural Science Foundation of China[51677055] ; National Natural Science Foundation of China[51677055] ; Henan Natural Science Foundation[162300410055] |
WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
WOS类目 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000449442900008 |
出版者 | NORTHWEST INST NONFERROUS METAL RESEARCH |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/34069 |
专题 | 中科院等离子体物理研究所 |
通讯作者 | Jiang Huawei |
作者单位 | 1.Henan Univ Technol, Zhengzhou 450001, Henan, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
推荐引用方式 GB/T 7714 | Jiang Huawei,Wu Songtao. Calculation Model of Coupling Loss Time Constant for Nb3Sn Conductor Under Cyclic Electromagnetic Load[J]. RARE METAL MATERIALS AND ENGINEERING,2018,47(10):2970-2975. |
APA | Jiang Huawei,&Wu Songtao.(2018).Calculation Model of Coupling Loss Time Constant for Nb3Sn Conductor Under Cyclic Electromagnetic Load.RARE METAL MATERIALS AND ENGINEERING,47(10),2970-2975. |
MLA | Jiang Huawei,et al."Calculation Model of Coupling Loss Time Constant for Nb3Sn Conductor Under Cyclic Electromagnetic Load".RARE METAL MATERIALS AND ENGINEERING 47.10(2018):2970-2975. |
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周期电磁载荷下Nb_3Sn导体耦合损耗计(302KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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