Edge and core impurity behavior and transport in EAST H-mode plasma with internal transport barrier

Edge and core impurity behavior and transport in EAST H-mode plasma with internal transport barrier

After installation of tungsten divertor in EAST, impurity accumulation of tungsten ions has been frequently observed in H-mode discharge with internal transport barrier (ITB) due to an enhancement of the impurity confinement inside the ITB. A strong plasma cooling induced by the tungsten impurity io...

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Main Authors: Wenmin Zhang, Ling Zhang, Yuqi Chu, Shigeru Morita, Xiang Gao, Gongshun Li, Shouxin Wang, Yunxin Cheng, Yingying Li, Ailan Hu, Chengxi Zhou, Darío Mitnik, Zhen Zhou, Hailin Zhao, Qing Zang, Ning Yan, Jihui Chen, Yinxian Jie, Jinping Qian, Haiqing Liu, Guosheng Xu, Jiansheng Hu, Yuntao Song
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
EAST tokamak
tungsten impurity ions
internal transport barrier
ion temperature gradient
electron density gradient
toroidal rotation velocity
Online Access:https://doi.org/10.1088/1741-4326/adcbc1
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https://doi.org/10.1088/1741-4326/adcbc1

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