Design of Neutral Beam-Line of EAST

HU Chundong (胡纯栋); LIANG Lizhen (梁立振); XIE Yuanlai (谢远来); WEI Jianglong (韦江龙); XIE Yahong (谢亚红); LI Jun (李军); LIU Zhimin (刘智民); LIU Sheng (刘胜); JIANG Caichago (蒋才超); SHENG Peng (盛鹏); XU Yongjian (许永建)

Plasma Science and Technology > 2011 > 13(5): 541-545.

HU Chundong (胡纯栋), LIANG Lizhen (梁立振), XIE Yuanlai (谢远来), WEI Jianglong (韦江龙), XIE Yahong (谢亚红), LI Jun (李军), LIU Zhimin (刘智民), LIU Sheng (刘胜), JIANG Caichago (蒋才超), SHENG Peng (盛鹏), XU Yongjian (许永建). Design of Neutral Beam-Line of EAST[J]. Plasma Science and Technology, 2011, 13(5): 541-545.

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Design of Neutral Beam-Line of EAST

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

Funds: supported by National Natural Science Foundation of China (No. 10875146) and the Knowledge Innovation Program of the Chinese Academy of Sciences: The study and simulation on beam interaction with background particles in neutralization area for NBI.

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Received Date: November 03, 2010

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Abstract

Abstract

Neutral beam injector for EAST is designed to deliver deuterium beams with a power of 2 to 4 MW at an energy of 50 to 80 keV into the plasma with a beam dimension of 12cm x 48cm. Considering the beam generation and transmission, a columniform beam-line of250cm x 400cm is designed with a neutralizer, ion dump, calorimeter, bending magnet and cryopanels. The arrangement of the internal elements for the beam-line is reported. A rectangular sleeve coupled to the ion source is employed as the neutralizer. At the downstream of the neutralizer, a dipole magnet separates the residual ions from the beam passage with a reflection radius of 42 cm for the full energy particles. The calorimeter and the ion dump serve as high heat flux components, which will work as thermal inertia targets in the first phase of operation.
- Neutral Beam,
- Experimental Advanced Superconducting Tokamak,
- Beam-line

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