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@ARTICLE{Franke:878550,
author = {Franke, Thomas and Bachmann, Christian and Biel, Wolfgang
and Cismondi, Fabio and Crofts, Oliver and Cufar, Aljaz and
Federici, Gianfranco and Gonzalez, Winder and Gowland,
Richard and Keech, Gregory and Mozzillo, Rocco and Maviglia,
Francesco and Roccella, Massimo and Tokar, Mikhael and
Vizvary, Zsolt},
title = {{T}he {EU} {DEMO} equatorial outboard limiter — {D}esign
and port integration concept},
journal = {Fusion engineering and design},
volume = {158},
issn = {0920-3796},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2020-02909},
pages = {111647 -},
year = {2020},
abstract = {The equatorial outboard limiters (also called outboard
midplane limiters (OMLs)) are an essential part of the DEMO
wall protection concept. Limiters are foreseen in different
areas of the DEMO first wall, namely in the equatorial
ports, on the high-field side, in vertical ports and
additional protection limiters between equatorial and lower
ports. The limiters shall prevent the plasma to touch the
first wall of the breeding blankets during all plasma
transients.The port integration concept of the OMLs, used
for plasma ramp-up/-down, is explained including (i)
thermal, structural and electromagnetic loads, (ii)
neutronic requirements and related material properties,
(iii) remote handling considerations, (iv) space and mass
constraints and (v) the required alignment precision to
allow equal distribution of the heat exposure amongst the
individual of the plasma facing (PFC) limiter
components.While the hot fusion plasma during ramp-up is
impinging directly on the limiter, its PFC components
temperature is rising and can be measured by means of either
thermocouples or by infrared (IR) thermography an estimation
of the heat flux on the contact point can be made. This is
the basis for the proposed alignment strategy. Previous
article in issue},
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:000569850500005},
doi = {10.1016/j.fusengdes.2020.111647},
url = {https://juser.fz-juelich.de/record/878550},
}