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Structural Design Study for ITER Upper ELM Coils

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Abstract

ITER ELM coils are important parts of in-vessel coils and they are mounted on the vacuum vessel and behind the blanket module. They consist of three sets of coils, referred to as the upper, mid, and lower coils. In order to verify the structural design feasibility and find the better structure for upper edge localized modes (ELM) coil, two different variants of coil support structures are studied under the electromagnetic load, thermal and other loads. Results show that besides the bracket of variant 2 does not meet the fatigue criteria, the conductor, jacket and bracket of the two structures can meet the static, fatigue and crack threshold criteria and both of them are valid and feasible. In addition, the better structure is chosen for upper ELM coil.

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Acknowledgments

The authors would like to thank Yuhu Zhai, Art Brooks, Michael Kalish in PPPL and Daly Edward 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, X. Ji & S. S. Du

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  1. S. W. Zhang
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  2. Y. T. Song
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Correspondence to S. W. Zhang.

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Zhang, S.W., Song, Y.T., Wang, Z.W. et al. Structural Design Study for ITER Upper ELM Coils. J Fusion Energ 33, 184–188 (2014). https://doi.org/10.1007/s10894-013-9656-3

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