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Preliminary Experimental Study of Shine-Through Power for EAST-NBI by Infrared Pyrometer

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Abstract

Deuterium neutral beam injection is employed for assistant heating of plasma on experimental advanced superconducting tokamak (EAST). A set of infrared pyrometers is used for fast interlock protection system on EAST neutral beam injector. Typical experimental results are presented to illustrate the performance of beam shine through. During the high power injection, the maximal surface temperature will reach up to about 600 °C. If the temperature is higher than the limited value, the beam pulse is interrupted in about 20 ms. The shine through power is explained qualitatively with the performance of the plasma.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China under Grant No. 11405207, the National Magnetic Confinement Fusion Science Program of China under Grant No. 2013GB101000 and the Foundation of ASIPP under Grant No. DSJJ-14-JC07.

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Authors and Affiliations

  1. Institute of Plasma Physics, China Academy of Science, Hefei, 230031, China

    X. X. Zhao, Y. Wang, C. D. Hu, L. Z. Liang, J. X. Wang, S. LIU, Y. H. Xie, C. C. Jiang, Y. Y. Li, J. F. Wang, Y. J. Xu, Y. L. Xie & P. Sheng

  2. School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, 230026, China

    X. X. Zhao

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  1. X. X. Zhao
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  2. Y. Wang
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  3. C. D. Hu
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  4. L. Z. Liang
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  5. J. X. Wang
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  6. S. LIU
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  7. Y. H. Xie
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  8. C. C. Jiang
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  9. Y. Y. Li
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  10. J. F. Wang
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  11. Y. J. Xu
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  12. Y. L. Xie
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  13. P. Sheng
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Corresponding author

Correspondence to L. Z. Liang.

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Zhao, X.X., Wang, Y., Hu, C.D. et al. Preliminary Experimental Study of Shine-Through Power for EAST-NBI by Infrared Pyrometer. J Fusion Energ 34, 925–929 (2015). https://doi.org/10.1007/s10894-015-9897-4

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  • DOI: https://doi.org/10.1007/s10894-015-9897-4

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