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@ARTICLE{Jia:904053,
author = {Jia, Manni and Loarte, Alberto and Sun, Youwen and Ma, Qun
and Wu, Xuemin and Xie, Pengcheng and Gu, Shuai and Hou,
Jilei and He, Kaiyang and Li, Guoqiang and Li, Kedong and
Li, Yingying and Liang, Yunfeng and Paz-Soldan, Carlos and
Shi, Tonghui and Shen, Biao and Wan, Baonian and Wang,
Huihui and Wang, Liang and Wang, Yumin and Xu, Jichan and
Xu, Shuai and Yang, Zhendong and Zang, Qing and Zhang, Bin
and Zhang, Jie and Zhang, Ling and Zuo, Guizhong},
title = {{I}ntegrated {ELM} and divertor power flux control using
{RMP}s with low input torque in {EAST} in support of the
{ITER} research plan},
journal = {Nuclear fusion},
volume = {61},
number = {10},
issn = {0029-5515},
address = {Vienna},
publisher = {IAEA},
reportid = {FZJ-2021-05623},
pages = {106023 -},
year = {2021},
note = {kein Zugriff auf Postprint},
abstract = {Experiments have been carried out at the EAST tokamak to
study ITER-relevant scenario integration issues, related to
edge localized mode (ELM) control in H-mode plasmas by the
application of three-dimensional (3D) resonant magnetic
perturbations (RMPs), which have a large impact on the
execution of the ITER research plan. The EAST experiments
have successfully demonstrated ELM suppression at normalized
torque inputs similar to ITER. The application of RMP fields
with high toroidal mode number (n = 4) reduces the impact of
ELM control on energy and particle confinement compared to
those use lower n (n = 1, 2) RMPs. Injection of successive
pellets is found to be effective in increasing the plasma
density in ELM-suppressed H-modes and reducing the divertor
power without triggering large ELMs at EAST. Access to high
recycling and radiative divertor conditions while
maintaining ELM suppression has been demonstrated in EAST by
the use of gas fuelling and neon impurity seeding. Both
approaches have been found to be effective in reducing power
fluxes to the divertor strike points in near-separatrix
lobes for both n = 2 and n = 4 RMPs. However, reduction of
power fluxes in off-separatrix lobes is only effective for n
= 4 RMP application, which is consistent with magnetic
topology modelling (including plasma response) results
showing a shallow penetration into the confined plasma
region of field lines connected to these lobes compared to n
= 2. The EAST results support the use of high n 3D fields
for ELM suppression in ITER high QDT scenarios since they
provide optimum integration features regarding energy and
particle confinement, pellet fuelling, radiative divertor
operation while eliminating ELM transient power loads and
being compatible with low torque input},
cin = {IEK-4},
ddc = {620},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
pid = {G:(DE-HGF)POF4-134},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000696376400001},
doi = {10.1088/1741-4326/ac21f9},
url = {https://juser.fz-juelich.de/record/904053},
}