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核聚变与等离子体物理 ›› 2008, Vol. 28 ›› Issue (2): 146-149.

• 核聚变工程技术 • 上一篇    下一篇

ITER过渡馈线直线段管的优化设计与屈曲分析

王开松1,赵韩1,宋云涛2,杨庆喜2   

  1. (1. 合肥工业大学机械与汽车学院,合肥 230009;2. 中国科学院等离子体物理研究所,合肥 230031)
  • 收稿日期:2007-05-21 修回日期:2007-12-10 出版日期:2008-06-15 发布日期:2011-02-21
  • 作者简介:王开松(1969-),男,安徽肥东人,副教授,博士研究生,研究方向为机械设计和低温传热。
  • 基金资助:

    国家“973”计划资助课题(2004CB720704)

Optimization design and buckling analysis of the straight-line duct for ITER feeder

WANG Kai-song1, ZHAO Han1, SONG Yun-tao2, YANG Qin-xi2   

  1. (1. School of Mechanical and Automotive Engineering, Hefei University of Technology, Hefei 230009;2. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031)
  • Received:2007-05-21 Revised:2007-12-10 Online:2008-06-15 Published:2011-02-21

摘要:

根据强度原则,用有限元静力分析方法优化了馈线系统直线段管中的圆管和波纹管相关结构的设计参数;根据能量准则,通过特征值屈曲分析和非线性屈曲分析方法,用有限元法稳定性的判据计算出长跨度的薄壳直线段管发生失稳时的临界载荷为1.21MPa,验证了该结构在正常工况(安全系数为12.1)和故障状态工况(安全系数为6.05)下不会发生失稳现象,为ITER馈线系统的下一步研制提供了基础。

关键词: ITER, 过渡馈线, 优化设计, 稳定性判据, 屈曲分析

Abstract:

Based on the stress intensity principle, the structure dimensions of the straight-line duct for the ITER feed-through have been optimized by FEM static analysis. The analyses of eigen buckling and non-linearity buckling have been done depending on the FEM stability criterion, and the critical pressure load is 1.21MPa. The structure safety under the normal operation condition (safety coefficient 12.1) or fault operation condition (safety coefficient 6.05) has been tested by our results, which are the foundation of the further engineering development.

Key words: ITER, Feeder, Optimization Design, Stability criterion, Buckling analysis

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