Overview of recent experimental results on the EAST Tokamak

Author:

Gong X., , ,Song Yuntao,Wan Baonian,Li Jiangang,Wan Yuanxi,Wu Xinchao,Liu Fukun,Chen Junling,Hu Jiansheng,Xu Guosheng,Lu Kun,Gong Xianzu,Xiao Bingjia,Wu Yu,Gao Xiang,Yao Damao,Xiang Nong,Hu Liqun,Hu Chundong,Wu Jiefeng,Shen Biao,Gao Ge,Huang Yiyun,Xu Liuwei,Zhang Qiyong,Bae Cheonho,Cao Bin,Cao Lei,Chang Jiafeng,Chen Dalong,Chen Ran,Chen Xiaojiao,Chen Yebin,Chen Yue,Cheng Yunxin,Cheng Yong,Ding Bojiang,Ding Fang,Ding Rui,Du Shijun,Duan Yanmin,Fu Jia,Gao Daming,Gao Wei,Gu Yongqi,Guo Bin,Guo Fei,Guo Yong,Han Xiaofeng,He Shiying,Hu Ailan,Hu Chang,Hu Guanghai,Hu Huaichuan,Hu Qingsheng,Hu Yanlan,Hu Zhenhua,Huang Juan,Huang Liansheng,Huang Ming,Huang Ronglin,Ji Xiang,Jia Hua,Jiang Caichao,Jie Yinxian,Ju Songqing,Kong Defeng,Li Erzhong,Li Guoqiang,Li Jiahong,Li Junjun,Li Miaohui,Li Pan,Li Kedong,Li Shi,Li Yadong,Liang Lizhen,Liao Yanchuan,Lin Shiyao,Lin Xin,Ling Bili,Liu Haiqing,Liu Huajun,Liu Jianwen,Liu Liang,Liu Shaocheng,Liu Sheng,Liu Wenbin,Liu Xiaoju,Liu Xiaoyan,Liu Yong,Liu Zhihong,Liu Zhimin,Lu Jianhua,Luo Zhengping,Ma Dengkui,Mao Huafeng,Ma Wendong,Mao Songtao,Mao Yuzhou,Ming Tingfeng,Pan Chao,Pan Chengkang,Pan Shengmin,Qian Jing,Qian Jinping,Qin Chengming,Qiu Zhiyong,Ren Qilong,Sheng Zhicai,Song Shihua,Sun Pengjun,Sun Xiaoyang,Sun Youwen,Tang Tian,Tao Ling,Ti Ang,Wang Baoguo,Wang Feng,Wang Fudi,Wang Huihui,Wang Jian,Wang Liang,Wang Linsen,Wang Mao,Wang Ping,Wang Xiaojie,Wang Shouxin,Wang Yating,Wang Yuehang,Wang Yong,Wang Zhengchu,Wei Jianglong,Wei Jing,Wei Xuechao,Wu Bin,Wu Dajun,Wu Hao,Wu Jinhua,Wu Xiangming,Wu Yibing,Wu Zege,Xi Weibin,Xia Tianyang,Xiao Yezheng,Xie Yahong,Xie Yuanlai,Xu Handong,Xu Liqing,Xu Liuwei,Xu Weiye,Yan Ning,Yan Rong,Yang Jianhua,Yang Lei,Yang Qingxi,Yang Yao,Yang Zhongshi,Yu Min,Yu Yaowei,Yuan Qiping,Yuan Shuai,Zang Qing,Zhang Bin,Zhang Jian,Zhang Jizong,Zhang Liyuan,Zhang Ling,Zhang Ruirui,Zhang Shoubiao,Zhang Tao,Zhang Wei,Zhang Xinjun,Zhang Xiuqing,Zhang Yang,Zhang Zuchao,Zhao Hailin,Zhao Lianmin,Zhong Guoqiang,Zhou Ruijie,Zhou Haishan,Zhou Tianhu,Zhou Yue,Zhu Dahuan,Zhu Haisheng,Zhu Ping,Zhu Zeying,Zhuang Huidong,Zhou Zibo,Zhou Zhiyong,Zhou Zhiwei,Zuo Guizhong, ,Cai Huishan,Ding Weixing,Lan Tao,Liu Adi,Liu Wandong,Wang Shaojie,Ye Minyou,Yu Yi,Zhuang Ge,Chen Wei,Lei Guangjiu,Nie Lin,Xu Min,Yuan Huang,Yao Nanhua,Gao Zhe,Zeng Long,Fan Tieshuan,Chen Liu,Fu Guoyong,Ma Zhiwei,Sheng Zengmao,Xiao Yong,Wang Xiaogang,Chen Zhongyong,Ding Yonghua,Hu Xiwei,Wang Zijiang,Zhong Fangchuan,Ding Hongbin,Wang Dezhen,Wang Zhengxiong,Jin Chenggang,Wu Xuemei,Yang Xiaofei,Zhang Jianhua,Hu Qingyuan,Yuan Xi,Chen Changqi,Gan Shuyi,Wang Xudi,Wu Congzhong,Zhang Chongwei,Zhang Ting,Zhu Wu,Kong Erhua,Wang Kaisong,Wang Chuanli,Yang Hongtao,Zhang Lixiang,Xu Yuhong,Anderson Paul,Abla Gheni,Chan Vincent,Doane John L.,Garofalo Andrea,Gohil Punit,Hsieh Chung Lih,Hong Ruey,Humphreys David,Hyatt Alan Walter,Jackson Gary,Lao Lang,Liu Yueqiang,Leuer James,Lohr John,Mahdavi Mohamad Ali,Olstad Robert,Penaflor Ben,Prater Ron,Piglowski David,Schaffe Michael,Scoville Tim,Solomon Wayne,Walker Mike,Welander Anders,Bitter Manfred,Budny Robert,Ellis Robert A.,Fisch Nat,Hawryluk Rich,Hill Kenneth W.,Hosea Joel,Jaworski Michael A.,Kolemen Egemen,Maingi Rajesh,Mansfield Dennis,Mastrovito Dana M.,Menard Jonathan,Mueller Dennis,Pablant Novmir,Roquemore Lane,Scotti Filippo,Taylor Gary,Tritz Kevin,Wilson Randy,Zarnstorff Michael,Baek Seung Gyou,Bill Beck,Bonoli Paul T.,Granetz Robert,Parker Ron,Shiraiwa Shunichi,Stillerman Josh,Wallace Greg,Wukitch Stephen,Zhou Lihua,Huang He,Gentle Kenneth,Liao Ken,Philippe Perry,Rowan William L.,Zheng Linjin,Diamond Patrick H.,Tynan George R.,Fedorczak Nicolas,Manz Peter,Zhao Lei,Brower David,Heidbrink William W.,Zhu Yubao,Domier Calvin W.,Luhmann Neville C.,Holcomb Chris,Xu Xueqiao,Wang Eric,Fenstermarcher Max E.,Wade Mickey,Hillis Donald L.,Meitner Steve,Wade Mickey,Vinyar Igor V.,Davydenko Vladimir,Shikhovtsev Igor,Ashikawa Naoko,Hiroshi Kasahara,Ida Katsumi,Kado Shinichiro,Kawamura Tomita,Kenji Saito,Kumazawa Ryuhei,Kunihiro Ogawa,Mitsutaka Isobe,Morita Shigeru,Nakano Haruhisa,Osakabe Masaki,Sakamoto Mizuki,Takeiri Yasuhiko,Toi Kazuo,Tsumori Katsuyoshi,Yuji Nobuta,Hanada Masaya,Kikuchi Mitsuru,Kojima Atsushi,Watanabe Kazuhiro,Artaud Jean-Francois,Basiuk Vincent,Bouquey F.,Bremond B.,Colas Laurent,Decker Joan,Douai D.,Ekedahl Annika,Fenzi Christel,Gauthier Eric,Giruzzi Gerardo,Goniche Marc,Guilhem Dominique,Helou Walid,Hillairet Julien,Hoang Tuong,Huynh Philippe,Imbeaux Frederic,Litaudon Xavier,Magne Roland,Peysson Yves,Vueillie K.,Zou Xiaolan,Loarte Alberto,Pitts Richard,Wauters Tom,Braun Franz,Bilato R.,Bobkov Volodymyr,Noterdaeme J.M.,Yu Qingquan,Liang Yunfeng,Pearson Jonny,Rack Michael,Banks Joseph,Fessey John,Monroe Charles,King Damian,Schmuck Stefan,Sun Hongjuan,Trimble Paul,Todd Tom,Bak Jun-Gyo,Hong Suk-Ho,Lee Sangong,Soon Bae Young,Hoon Oh Byung,Hee Chang Doo,Won Lee Kwang,Amicucci Luca,Calabro Giuseppe,Ceccuzzi Silvio,Cesario Roberto,Crisanti Flavio,Giovannozzi Edmondo,Ramogida Giuseppe,Tommasi Gianmaria De,Tuccillo Angelo Antonio,Viola Bruno,Albanese Raffaele,Ambrosino Roberto,Barbato Lucio,Mastrostefano Stefano,Pironti Alfredo,Ridolfini Vincenzo Pericoli,Scannell Rory,Villone Fabio,Naulin Volker,Nielsen Anders H.,Zagorsky Roman,Zoletnik Sandor,Xiao Chijin,Madsen B.,Salewski M.,Schuster Eugenio

Abstract

Abstract Since the last IAEA-FEC in 2021, significant progress on the development of long pulse steady state scenario and its related key physics and technologies have been achieved, including the reproducible 403 s long-pulse steady-state H-mode plasma with pure radio frequency (RF) power heating. A thousand-second time scale (∼1056 s) fully non-inductive plasma with high injected energy up to 1.73 GJ has also been achieved. The EAST operational regime of high β P has been significantly extended (H 98y2 > 1.3, β P ∼ 4.0, β N ∼ 2.4 and n e/n GW ∼ 1.0) using RF and neutral beam injection (NBI). The full edge localized mode suppression using the n = 4 resonant magnetic perturbations has been achieved in ITER-like standard type-I ELMy H-mode plasmas with q 95 ≈ 3.1 on EAST, extrapolating favorably to the ITER baseline scenario. The sustained large ELM control and stable partial detachment have been achieved with Ne seeding. The underlying physics of plasma-beta effect for error field penetration, where toroidal effect dominates, is disclosed by comparing the results in cylindrical theory and MARS-Q simulation in EAST. Breakdown and plasma initiation at low toroidal electric fields (<0.3 V m−1) with EC pre-ionization is developed. A beneficial role on the lower hybrid wave injection to control the tungsten concentration in the NBI discharge is observed for the first time in EAST suggesting a potential way toward steady-state H-mode NBI operation.

Publisher

IOP Publishing

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