% IMPORTANT: The following is UTF-8 encoded. This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.
@ARTICLE{He:888161,
author = {He, Y. and Xu, Yifan and Shesterikov, I. and Vergote, M.
and Van Schoor, M. and Krämer-Flecken, A. and Cheng, J.},
title = {{I}mpact of edge magnetic perturbation ({MP}) on
multi-scale turbulence and turbulent transport across a
{MP}-induced edge transport reduction in the {TEXTOR}
tokamak},
journal = {Physics of plasmas},
volume = {27},
number = {6},
issn = {1089-7674},
address = {[S.l.]},
publisher = {American Institute of Physics},
reportid = {FZJ-2020-04735},
pages = {062511 -},
year = {2020},
abstract = {Reduced particle losses have been observed during the
operation of an m/n = 6/2 resonant magnetic perturbation
in the TEXTOR tokamak. The influence of the perturbation
field on multi-scale turbulence and turbulent transport has
been surveyed in detail across the perturbation-induced
reduction of edge transport. The results indicate that with
magnetic perturbation (MP), both the large-scale zonal flows
and small-scale drift-wave turbulence are significantly
reduced. At high MP currents, a reduction of edge transport
can be realized due to primarily the decline of small-scale
ambient turbulence and turbulent transport in the ergodic
zone, where the turbulence eddy size is largely decreased.
Investigation on the dynamic process of fluctuation
quantities during the perturbation current ramp-up phase
further shows that geodesic acoustic mode zonal flows and
their nonlinear interaction with background turbulence
decrease incessantly with increasing perturbation current.
The transport reduction takes place only after small-scale
turbulence starts to be strongly reduced by the MP when the
MP strength reaches a certain threshold value},
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:000542639500002},
doi = {10.1063/5.0002022},
url = {https://juser.fz-juelich.de/record/888161},
}