Analysis of an Extreme Scenario in the Vacuum Vessel in KTX

The Vacuum Vessel （VV） system is a vital component of Keda Torus for experiment （KTX）. Various accidental scenarios might occur on the VV. In this report, an extreme scenario is assumed and studied： plasma accidental termination during the fiat-top stage. Numerical simulations based on finite elemen...

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Published inPlasma science & technology Vol. 17; no. 6; pp. 510 - 516
Main Author 罗忠仁 杨庆喜 宋云涛 李宏 刘万东 杜双松 徐皓 王忠伟 姚尧 胡欢
Format Journal Article
LanguageEnglish
Published Institute of Plasma Physics, Chinese Academy of Sciences and the Chinese Society of Theoretical and Applied Mechanics and IOP Publishing 01.06.2015
Subjects
Computer simulation
eddy
Eddy currents
extreme scenario
KTX
Loads (forces)
Mathematical analysis
numerical simulation
Ports
reaction force
Skewed distributions
Stress concentration
Vessels
中心对称结构
反作用力
有限元数值模拟
电磁负载
真空容器
组成部分
计算结果
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ISSN1009-0630
DOI10.1088/1009-0630/17/6/12

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Summary:The Vacuum Vessel （VV） system is a vital component of Keda Torus for experiment （KTX）. Various accidental scenarios might occur on the VV. In this report, an extreme scenario is assumed and studied： plasma accidental termination during the fiat-top stage. Numerical simulations based on finite element are performed as the major tool for aualyses. The detailed distributions of eddy and the reaction forces on VV are extracted, and the total eddy current and the maximum reaction force due to electromagnetic load are figured out. In addition, according to the results, the VV can be approximately regarded as a centrally symmetric structure, even though its ports distribution is asymmetric.
Bibliography:The Vacuum Vessel （VV） system is a vital component of Keda Torus for experiment （KTX）. Various accidental scenarios might occur on the VV. In this report, an extreme scenario is assumed and studied： plasma accidental termination during the fiat-top stage. Numerical simulations based on finite element are performed as the major tool for aualyses. The detailed distributions of eddy and the reaction forces on VV are extracted, and the total eddy current and the maximum reaction force due to electromagnetic load are figured out. In addition, according to the results, the VV can be approximately regarded as a centrally symmetric structure, even though its ports distribution is asymmetric.
LUO Zhiren , YANG Qingxi , SONG Yuntao, LI Hong, LIU Wandong , DU Shuangsong , XU Hao,WANG Zhongwei, YAO Yao , HU Huan （1Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 200031, China 2 University of Science and Technology of China, Hefei 230009, China ）
KTX； VV； extreme scenario； nulnerical sinmlation； eddy； reaction force
34-1187/TL
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1009-0630
DOI:10.1088/1009-0630/17/6/12