Institutional Repository of Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, Anhui, Peoples R China
| Thermal analysis on the EAST tungsten plasma facing components with shaping structure counteracting the misalignment issues | |
Wang, Baoguo1,2; Zhu, Dahuan2 ; Ding, Rui2; Chen, Junling2
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| 2017-02-01 | |
| 发表期刊 | PLASMA SCIENCE & TECHNOLOGY
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| 摘要 | Tungsten monoblock type tiles with ITER dimensions along with supporting cassette components were installed at EAST's upper diverter during 2014 and EAST's lower diverter will also be upgraded in the future. These cassette structures pose critical issues on the high cumulative incident heat flux due to the leading edges and misalignments (0 similar to 1.5 mm), which may result in the destruction or even melting of the tungsten tile. The present work summarizes the thermal analysis using ANSYS multiphysics software 15.0 performed on the actively cooled W tiles to evaluate the shaping effect on surface temperature. In the current heat flux conditions (Q(||) similar to 100 MW m(-2)), the adopted chamfer shaping (1 x 1mm) can only reduce the maximum temperature by about 14%, but it also has a melting risk at the maximum misalignment of 1.5 mm. The candidate shaping solutions elliptical (round) edge, dome and fish-scale are analyzed for comparison and are identified not as good as the dual chamfer structure. A relatively good dual chamfer (2 x 13 mm) shaping forming a symmetrical sloping roof structure can effectively counteract the 1.5 mm misalignment, reducing the maximum temperature by up to 50%. However, in the future heat flux conditions (Q(||) similar to 287 MW m(-2)), it may only endure about 0.5 mm misalignment. Moreover, no proper shaping solution has been found that can avoid melting at the maximum misalignment of 1.5 mm. Thus, the engineering misalignment has to be limited to an acceptable level. |
| 文章类型 | Article |
| 关键词 | East Tungsten Mono-block Misalignment Heat Flux |
| WOS标题词 | Science & Technology ; Physical Sciences |
| DOI | 10.1088/2058-6272/19/2/025603 |
| 关键词[WOS] | DIVERTOR |
| 收录类别 | SCI |
| 语种 | 英语 |
| 项目资助者 | National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Magnetic Confinement Fusion Science Program of China(2013GB107004 ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; National Natural Science Foundation of China(11405209) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) ; 2013GB105003) |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Fluids & Plasmas |
| WOS记录号 | WOS:000398145700016 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/31763 |
| 专题 | 中科院等离子体物理研究所 |
| 作者单位 | 1.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230026, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
| 第一作者单位 | 中科院等离子体物理研究所 |
| 推荐引用方式 GB/T 7714 | Wang, Baoguo,Zhu, Dahuan,Ding, Rui,et al. Thermal analysis on the EAST tungsten plasma facing components with shaping structure counteracting the misalignment issues[J]. PLASMA SCIENCE & TECHNOLOGY,2017,19(2):1-7. |
| APA | Wang, Baoguo,Zhu, Dahuan,Ding, Rui,&Chen, Junling.(2017).Thermal analysis on the EAST tungsten plasma facing components with shaping structure counteracting the misalignment issues.PLASMA SCIENCE & TECHNOLOGY,19(2),1-7. |
| MLA | Wang, Baoguo,et al."Thermal analysis on the EAST tungsten plasma facing components with shaping structure counteracting the misalignment issues".PLASMA SCIENCE & TECHNOLOGY 19.2(2017):1-7. |
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