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3D Modelling of the Lithium Injection Experiment in H-Mode Plasma of EAST

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Abstract

Investigations of lithium transport in H-mode plasma of EAST tokamak have been performed by the three-dimensional fluid code EMC3-EIRENE. The simulation results show that the toroidally-localized lithium injection at the low field side (LFS) leads to a toroidally non-axisymmetric distribution of the Li1+ and Li2+ ions. The field line tracing approach is utilized to carry out a detailed study on the distributions of the Li1+ and Li2+ ions. It is found that Li1+ ions mainly reside at the LFS while Li2+ ions can transport from LFS to the high field side. The relationship between mean free path and connection length for Li1+ and Li2+ ions has been discussed. The 3D line-integration images of deuterium and lithium emission spectra modelled by EMC3-EIRENE are in qualitative consistency with the experiment results.

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Acknowledgments

This work supported by National MCF Energy R&D Program of China Nos: 2018YFE0303105, 2018YFE0311100, 2017YFE0301206 and 2017YFE0300402, National Natural Science Foundation of China under Grant Nos. 12075047 and 11675037, High-level talent innovation support program of Dalian No. 2017RQ052.

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Authors and Affiliations

  1. Key Laboratory of Materials Modification By Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian, 116024, People’s Republic of China

    B. Pan, S. Y. Dai, B. Liu & D. Z. Wang

  2. Princeton Plasma Physics Laboratory, 100 Stellarator Road, Princeton, NJ, 08540, USA

    Z. Sun

  3. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031, People’s Republic of China

    Z. Sun

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  1. B. Pan
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  2. S. Y. Dai
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  3. B. Liu
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  4. Z. Sun
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  5. D. Z. Wang
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Correspondence to S. Y. Dai.

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Pan, B., Dai, S.Y., Liu, B. et al. 3D Modelling of the Lithium Injection Experiment in H-Mode Plasma of EAST. J Fusion Energ 39, 421–428 (2020). https://doi.org/10.1007/s10894-020-00255-4

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  • DOI: https://doi.org/10.1007/s10894-020-00255-4

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