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@ARTICLE{Telesca:202196,
author = {Telesca, G. and Ivanova-Stanik, I. and Zagorski, R. and
Brezinsek, S. and Czarnecka, A. and Drewelow, P. and Giroud,
C. and Marsen, S. and Wischmeier, M.},
title = {{N}umerical simulations of {JET} discharges with the
{ITER}-like wall for different nitrogen seeding scenarios},
journal = {Journal of nuclear materials},
volume = {463},
issn = {0022-3115},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-04485},
pages = {577 - 581},
year = {2015},
abstract = {Two classes of nitrogen seeded pulses are here considered:
pulses at high triangularity, high confinement with moderate
gas puffing and N seeding rates and pulses at low
triangularity, lower confinement with higher gas puffing and
N seeding. For the high-delta pulses the power radiation
fraction, frad, is normally about 0.5 while at low delta
frad as high as 0.7 is achieved. For the simulations we have
used COREDIV code, which self-consistently couples the
plasma core with the plasma edge and the main plasma with
impurities. To reproduce numerically the main experimental
parameters of the two classes of pulses two different
settings had to be applied to COREDIV, as the perpendicular
transport and recycling in the SOL and the power deposition
profile in the core. Simulations suggest that higher values
for frad might be achieved with N seeding only at low
density and/or higher heating power.},
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:000358467200120},
doi = {10.1016/j.jnucmat.2014.11.024},
url = {https://juser.fz-juelich.de/record/202196},
}