Realization of minute-long steady-state H-mode discharges on EAST |
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Authors: | Xianzu GONG Baonian WAN Jiangang LI Jinping QIAN Erzhong LI Fukun LIU Yanping ZHAO Mao WANG Handong XU A M GAROFALO Annika EKEDAH Siye DING Juan HUANG Ling ZHANG Qing ZANG Haiqing LIU Long ZENG Shiyao LIN Biao SHEN Bin ZHANG Linming SHAO Bjngjia XIAO Jiansheng HU Chundong HU Liqun HU Liang WANG Youwen SUN Guosheng XU Yunfeng LIANG Nong XIANG EAST Team |
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Affiliation: | 1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China;2. General Atomics, San Diego, CA 92186-5608, United States of America;3. CEA, IRFM, F-13108 Saint Paul-lez-Durance, France |
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Abstract: | In the 2016 EAST experimental campaign,a steady-state long-pulse H-mode discharge with an ITER-like tungsten divertor lasting longer than one minute has been obtained using only RF heating and current drive,through an integrated control of the wall conditioning,plasma configuration,divertor heat flux,particle exhaust,impurity management,and effective coupling of multiple RF heating and current drive sources at high injected power.The plasma current (Ip ~ 0.45 MA) was fully-noninductively driven (Vloop < 0.0 V) by a combination of ~2.5 MW LHW,~0.4 MW ECH and ~0.8 MW ICRF.This result demonstrates the progress of physics and technology studies on EAST,and will benefit the physics basis for steady state operation of ITER and CFETR. |
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Keywords: | long pulse steady state RF heating H-mode |
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