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@ARTICLE{Loarer:202198,
author = {Loarer, T. and Brezinsek, S. and Philipps, V. and
Romanelli-Gruenhagen, S. and Alves, D. and Carvalho, I. and
Douai, D. and Esser, H. G. and Felton, R. and Frigione, D.
and Kruezi, U. and Reux, C. and Smith, R. and Stamp, M. F.
and Vartanian, S.},
title = {{P}lasma isotopic change over experiments in {JET} under
{C}arbon and {ITER}-{L}ike {W}all conditions},
journal = {Journal of nuclear materials},
volume = {463},
issn = {0022-3115},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-04487},
pages = {1117 - 1121},
year = {2015},
abstract = {Starting with a wall loaded by H2, change over experiments
from H2 to D2 have been carried out in JET-ILW. A series of
13 repetitive pulses (cumulating 215 s in divertor
configuration) have been performed under conditions of: Ip =
2.0 MA, BT = 2.4 T, 〈ne〉 = 4.5 × 1019 m−3 with a
constant gas injection of 3.0 × 1021 D s−1 and 0.5 MW of
auxiliary heating by ICRH in L-mode. Gas balance analysis
shows that the total amount of H removed from the wall is in
the range of 3 × 1022 D compared to 2 × 1023 D for JET-C.
This is consistent with the faster decay of the H plasma
concentration and the drop of the retention also by a
similar factor when removing all the carbon
components.Isotopic plasma wall changeover is also
demonstrated to allow for removal of some D/T from the
device. However, since plasma change over also contributes
to long-term retention by codeposition, in ITER, change over
in between each discharge might not be effective to reduce
the fuel retention on the long-term.},
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:000358467200244},
doi = {10.1016/j.jnucmat.2014.11.012},
url = {https://juser.fz-juelich.de/record/202198},
}