Divertor detachment and asymmetry in H-mode operation with an ITER-like tungsten divertor in EAST

JB Liu, L Wang, HY Guo, HQ Wang, GS Xu… - Nuclear …, 2019 - iopscience.iop.org
The detached divertor has recently been achieved in H-mode plasmas in EAST with an ITER-
like tungsten divertor, which is essential for high power long pulse operation in the near …

Experimental study of detachment density threshold in L-mode plasmas on EAST

LY Meng, JB Liu, JC Xu, L Wang, GS Xu… - Plasma Physics and …, 2020 - iopscience.iop.org
One of the critical challenges for long pulse operation of ITER and future fusion reactors is
the excessively high heat and particle fluxes on the divertor targets. The divertor detachment …

Divertor plasma behaviors with neon seeding at different locations on EAST with ITER-like divertor

LY Meng, L Wang, HQ Wang, GZ Deng, H Si… - Nuclear …, 2022 - iopscience.iop.org
For the problem of excessively high divertor heat flux, active impurity seeding is an effective
method to radiate the plasma energy reaching the divertor and thus achieve the divertor …

Divertor detachment operation in helium plasmas with ITER-like tungsten divertor in EAST

LIU Jianbin, M Lingyi, GUO Houyang… - Plasma Science and …, 2022 - iopscience.iop.org
Detachment in helium (He) discharges has been achieved in the EAST superconducting
tokamak equipped with an ITER-like tungsten divertor. This paper presents the experimental …

Comparison of divertor behavior and plasma confinement between argon and neon seeding in EAST

K Li, Z Yang, H Wang, G Xu, Q Yuan, H Guo… - Nuclear …, 2021 - iopscience.iop.org
The exhaust of excessively high heat and particle fluxes on the divertor target is crucial for
EAST long-pulse operation. In the recent EAST experiments, stable partial energy …

Long-pulse H-mode operation with stored-energy monitoring for detachment feedback control with a new lower tungsten divertor in EAST

YQ Tao, GS Xu, K Wu, QQ Yang, L Wang… - Nuclear …, 2023 - iopscience.iop.org
One of the key challenges for future fusion research is to mitigate the high steady-state heat
load on the divertor target plates, and divertor detachment offers a promising solution. The …

Role of E× B drift in double-peak density distribution for the new lower tungsten divertor with unfavorable B t on EAST

G Jia, H Wang, G Xu, L Wang, A Li, R Ding, X Liu… - Nuclear …, 2022 - iopscience.iop.org
Doubly peaked density distribution is expected not only to affect the plasma-wetted area at
divertor plates, but also to correlate with the upstream density profile and hence …

Experimental study of the influence of gas puff locations on H-mode boundary plasmas with argon seeding on EAST

T He, Z Yang, L Wang, K Li, H Wang… - Plasma Physics and …, 2021 - iopscience.iop.org
To investigate the optimal scenario of impurity seeding to obtain divertor plasma detachment
for target protection, experiments with Ar&D 2 seeding from two different poloidal locations …

Active control of divertor asymmetry on EAST by localized D2 and Ar puffing

D Wang, H Guo, H Wang, G Luo, Z Wu, J Wu… - Physics of …, 2011 - pubs.aip.org
, Fusion Eng. Des. 82, 463 (2007)] for both single null (SN) and double null (DN) divertor
configurations. D 2 and Ar puffing at various divertor locations has also been explored as an …

Impact of divertor geometry on radiative divertor performance in JET H-mode plasmas

AE Jaervinen, S Brezinsek, C Giroud… - Plasma Physics and …, 2016 - iopscience.iop.org
Radiative divertor operation in JET high confinement mode plasmas with the ITER-like wall
has been experimentally investigated and simulated with EDGE2D-EIRENE in horizontal …