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Conceptual Design and Finite Element Analysis of STR-3 Feeder for ITER

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Abstract

The three structure (STR) cooling feeders of the international thermonuclear experimental reactor play an important role in removing heat loads from the coils cases of the superconducting magnets system. In this paper, the materials choice and conceptual design of STR-3 feeder are presented, then the structural analyses are performed based on the finite element method, which is used to evaluate the mechanical characteristics of STR-3 feeder. The results show that the structural design is basically reasonable, but the U bend or S bend structure near terminal box is necessary. Furthermore, the further structural optimization, reducing the heat leakage to cryopipes, radiation of composite insulation materials, overpressure protection and seismic analysis proposals are put forward.

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Acknowledgments

The authors would like to thank the related experts of the ITER organization (IO) supported by China, European Union, India, Japan, Korea, Russia, and the U.S., and the experts of Altair Engineering Inc and so on. The views and opinions expressed in this paper do not necessarily reflect those of IO. This work was supported by the National Basic Research Program of China (973 Program) (Grant No. 2008CB717900), the Special Fund of Talent Development of Anhui Province (Grant No. 2009Z056) and the Fund of Anhui Educational Committee (Grant Nos. KJ2013A072, KJ2011Z054).

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Authors and Affiliations

  1. School of Mechanical and Electrical Engineering, Anhui Jianzhu University, Hefei, 230601, China

    YinFeng Zhu

  2. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031, China

    YunTao Song

  3. Magnet Division, Tokamak Department, International Thermonuclear Experimental Reactor Organization, 13067, St. Paul lez Durance, France

    YongHua Chen

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  1. YinFeng Zhu
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Correspondence to YinFeng Zhu.

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Zhu, Y., Song, Y. & Chen, Y. Conceptual Design and Finite Element Analysis of STR-3 Feeder for ITER. J Fusion Energ 33, 775–783 (2014). https://doi.org/10.1007/s10894-014-9747-9

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