Simulations of Neutral Beam Ion Ripple Loss on EAST

LI Jibo(李吉波); DING Siye(丁斯晔); WU Bin(吴斌); HU Chundong(胡纯栋)

doi:10.1088/1009-0630/14/1/17

Plasma Science and Technology > 2012 > 14(1): 78-82. > DOI: 10.1088/1009-0630/14/1/17

LI Jibo(李吉波), DING Siye(丁斯晔), WU Bin(吴斌), HU Chundong(胡纯栋). Simulations of Neutral Beam Ion Ripple Loss on EAST[J]. Plasma Science and Technology, 2012, 14(1): 78-82. DOI: 10.1088/1009-0630/14/1/17

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Simulations of Neutral Beam Ion Ripple Loss on EAST

Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031, China

Funds: supported by the National Natural Science Foundation of China (No. 10975160 and 11175211).

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Received Date: August 05, 2011

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Abstract

Abstract

Predictions on the ripple loss of neutral beam fast ions on EAST are investigated with a guiding center code, including both ripple and collisional effects. A 6 to 16% loss of neutral beam ions is predicted for typical EAST experiments, and a synergistic enhancement of fast ion loss is found for toroidal field ripples with collisions. The lost ions are strongly localized and will cause a maximum heat load of ~0.05 MW/m2 on the first wall.
- ripple loss,
- neutral beam injection,
- EAST

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