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Design Study of Support for ITER ELM Coils

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Abstract

The support is an important part of ITER ELM coils. It should withstand the alternating electromagnetic (EM) force and thermal stresses. Based on the finite element method, 2D and 3D structures of the rigid and flexible support of ITER upper ELM coil in different loads are studied. Results show that the flexible support can reduce the stresses of the conductor and jacket. In the lower level of nuclear heat, two types of supports can be used in the quarter model. In the high level of nuclear heat, the flexible support is needed and 50 mm support is proposed for the quarter model. Considering the EM load, the rigid support has better performance than the flexible support. Therefore, reasonable support can be provided for ELM coil or similar coil according to the thermal expansion and EM load.

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Acknowledgments

The authors would like to thank Yuhu Zhai, Art Brooks, Michael Kalish in PPPL and Edward Daly in ITER organization for their contributions to our works. The views and opinions expressed herein do not necessarily reflect those of the ITER Organization.

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Authors and Affiliations

  1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 200031, China

    S. W. Zhang, Y. T. Song, Z. W. Wang, S. Lu, X. Ji, S. S. Du, X. F. Liu & Y. Meng

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  1. S. W. Zhang
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  2. Y. T. Song
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  3. Z. W. Wang
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  4. S. Lu
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  5. X. Ji
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  6. S. S. Du
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  7. X. F. Liu
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  8. Y. Meng
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Correspondence to S. W. Zhang.

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Zhang, S.W., Song, Y.T., Wang, Z.W. et al. Design Study of Support for ITER ELM Coils. J Fusion Energ 33, 252–257 (2014). https://doi.org/10.1007/s10894-013-9663-4

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  • DOI: https://doi.org/10.1007/s10894-013-9663-4

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