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@ARTICLE{Boeyaert:904035,
author = {Boeyaert, D. and Wiesen, S. and Wischmeier, M. and
Dekeyser, W. and Carli, S. and Wang, L. and Ding, F. and Li,
K. and Liang, Yunfeng and Baelmans, M.},
title = {{T}owards assessment of plasma edge transport in {N}eon
seeded plasmas in disconnected double null configuration in
{EAST} with {SOLPS}-{ITER}},
journal = {Nuclear materials and energy},
volume = {26},
issn = {2352-1791},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2021-05605},
pages = {100926 -},
year = {2021},
abstract = {Energy dissipation in the plasma edge is key for future
tokamaks. The potential of neon as radiating seeding species
in disconnected double null (DDN) configuration is assessed
in EAST discharges in high confinement mode (H-mode). As the
separation between the two separatrices in the studied DDN
discharges is minimum 1.5 cm, the configuration is
effectively a single null configuration, and the benefits of
the double null topology are minimal. Neon seeding, on the
other hand, has a favourable effect: both the target heat
flux and the divertor temperature decrease more than
five-fold with increased seeding rate in high-recycling
conditions. Interpretive edge plasma simulations with
SOLPS-ITER in support of ongoing transport analysis are
presented. For the unseeded case the numerical results agree
with the experimental data within a factor two for the
target temperature conditions and measured neutral pressures
in the active divertor. The key for achieving good agreement
is a suitable selection of coefficients for anomalous
transport and neutral conductances between the upper
cryopump and the main chamber.},
cin = {IEK-4},
ddc = {624},
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:000628782500046},
doi = {10.1016/j.nme.2021.100926},
url = {https://juser.fz-juelich.de/record/904035},
}