Thermal analysis of the cryostat feed through for the ITER Tokamak TF feeder

Shanwen ZHANG (张善文); Yuntao SONG (宋云涛); Kun LU (陆坤); Zhongwei WANG (王忠伟); Jianfeng ZHANG (张剑峰); Yongfa QIN (秦永法)

doi:10.1088/2058-6272/aa57ec

Plasma Science and Technology > 2017 > 19(4): 45601-045601. > DOI: 10.1088/2058-6272/aa57ec

Shanwen ZHANG (张善文), Yuntao SONG (宋云涛), Kun LU (陆坤), Zhongwei WANG (王忠伟), Jianfeng ZHANG (张剑峰), Yongfa QIN (秦永法). Thermal analysis of the cryostat feed through for the ITER Tokamak TF feeder[J]. Plasma Science and Technology, 2017, 19(4): 45601-045601. DOI: 10.1088/2058-6272/aa57ec

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Thermal analysis of the cryostat feed through for the ITER Tokamak TF feeder

1 College of Mechanical Engineering Yangzhou University, Yangzhou 225127, People’s Republic of China 2 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 200031, People’s Republic of China

Funds: This work is supported by the Province Postdoctoral Foundation of Jiangsu (1501164B), the Technical Innovation Nurturing Foundation of Yangzhou University (2015CXJ016) and China Postdoctoral Science Foundation (2016M600447).

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Received Date: May 29, 2016

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Abstract

Abstract

In Tokamaks, the toroidal field (TF) coil feeder is an important component that is used to supply the cryogens and electrical power for the TF coils. As a part of the TF feeder, the cryostat-feed through (CFT) is subject to low temperatures of 9 and 80 K inside and room temperature of 300 K outside. Based on the features of the International Thermonuclear Experimental Reactor TF feeder, the thermal performance of the CFT under the nominal conditions is studied. Taking into account the conductive, convective and radiation heat transfer, the finite element model of the CFT is built. Transient thermal analysis is performed to determine the temperatures of the CFT on the 9th day of cooldown. The model is assessed by comparing the cooling curves of the CFT after 9 days. If the simulation and experimental results are the same, the finite element model can be considered as calibrated. The model predicts that the cooling time will be approximately 26 days and the temperature distribution and heat load of the main components are obtained when the CFT reaches thermal equilibrium. This study provides a valid quantitative characterization of the CFT design.
- thermal analysis,
- tokamak,
- TF feeder,
- CFT

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References (18)

References

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2.	Shen, Y.-C., Niu, Y.-F., Kong, D.-F. et al. Development and Performance Test of a Seya-Namioka Vacuum Ultraviolet Spectroscopy System \| [Seya-Namioka 类型真空紫外光谱系统的研制和性能测试]. Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis, 2024, 44(8): 2158-2165. DOI:10.3964/j.issn.1000-0593(2024)08-2158-08
3.	Tan, M., Ye, Y., Kong, D. et al. Design and operation of a repetitive compact torus injector for the EAST tokamak. Fusion Engineering and Design, 2024. DOI:10.1016/j.fusengdes.2024.114559
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Thermal analysis of the cryostat feed through for the ITER Tokamak TF feeder