Abstract The effect of passive plates on vertical displacement control in EAST tokamak is investigated by open loop experiments and numerical simulations based on a rigid displacement model. The experiments and simulations indicate that the vertical instability growth rate is reduced by a factor of about 2 in the presence of the passive plates, where the adjacent segments are not connected to each other. The simulations also show that the vertical instability growth rate is reduced by a factor of about 10 if all adjacent segments on each passive plate loop are connected to each other. The operational window is greatly enlarged with the passive plates.
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10725523, 10721505, and 10835009).
Corresponding Authors:
Liu Guang-Jun
E-mail: gjliu@ipp.ac.cn
Cite this article:
Liu Guang-Jun (刘广君), Wan Bao-Nian (万宝年), Qian Jin-Ping (钱金平), Sun You-Wen (孙有文), Xiao Bing-Jia (肖炳甲), Shen Biao (沈飚), Luo Zheng-Ping (罗正平), Ji Xiang (戟翔), Chen Shu-Liang (陈树亮 ) Effect of passive plates on vertical instability in the EAST tokamak 2012 Chin. Phys. B 21 085201
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The stability margin on EAST tokamak Qian Jin-Ping(钱金平), Wan Bao-Nian(万宝年), Shen Biao(沈彪), M.L. Walker, D.A. Humphreys, and Xiao Bing-Jia(肖炳甲). Chin. Phys. B, 2009, 18(6): 2432-2440.
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