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@ARTICLE{Wiesen:834319,
author = {Wiesen, S. and Brezinsek, S. and Wischmeier, M. and De la
Luna, E. and Groth, M. and Jaervinen, A. E. and de la Cal,
E. and Losada, U. and de Aguilera, A. M. and Frassinetti, L.
and Gao, Y. and Guillemaut, C. and Harting, D. and Meigs, A.
and Schmid, K. and Sergienko, G.},
title = {{I}mpact of the {JET} {ITER}-like wall on {H}-mode plasma
fueling},
journal = {Nuclear fusion},
volume = {57},
number = {6},
issn = {1741-4326},
address = {Vienna},
publisher = {IAEA},
reportid = {FZJ-2017-04298},
pages = {066024 -},
year = {2017},
abstract = {JET ITER-like wall (ILW) experiments show that the edge
density evolution is strongly linked with the poloidal
distribution of the ionization source. The fueling profile
in the JET-ILW is more delocalized as compared to JET-C (JET
with carbon-based plasma-facing components PFCs). Compared
to JET-C the H-mode pedestal fueling cycle is dynamically
influenced by a combination of plasma–wall interaction
features, in particular: (1) edge-localized modes (ELMs)
induced energetic particles are kinetically reflected on W
divertor PFCs leading to distributed refueling away from the
divertor depending on the divertor plasma configuration, (2)
delayed molecular re-emission and outgassing of particles
being trapped in W PFCs (bulk-W at the high field side and
W-coated CFCs at the low field side) with different fuel
content and (3) outgassing from Be co-deposits located on
top of the high-field side baffle region shortly after the
ELM. In view of the results of a set of well diagnosed
series of JET-ILW type-I ELMy H-mode discharges with good
statistics, the aforementioned effects are discussed in view
of H-mode pedestal fueling capacity. The ongoing modelling
activities with the focus on coupled core-edge plasma
simulations and plasma–wall interaction are described and
discussed also in view of possible code improvements
required.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174)},
pid = {G:(DE-HGF)POF3-174},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000425870200002},
doi = {10.1088/1741-4326/aa69dd},
url = {https://juser.fz-juelich.de/record/834319},
}