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@ARTICLE{Blommaert:188872,
author = {Blommaert, M. and Baelmans, M. and Dekeyser, W. and Gauger,
N. R. and Reiter, D.},
title = {{A} novel approach to magnetic divertor configuration
design},
journal = {Journal of nuclear materials},
volume = {463},
issn = {0022-3115},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-02173},
pages = {1220–1224},
year = {2015},
abstract = {Divertor exhaust system design and analysis tools are
crucial to evolve from experimental fusion reactors towards
commercial power plants. In addition to material research
and dedicated vessel geometry design, improved magnetic
configurations can contribute to sustaining the diverted
heat loads. Yet, computational design of the magnetic
divertor is a challenging process involving a magnetic
equilibrium solver, a plasma edge grid generator and a
computationally demanding plasma edge simulation. In this
paper, an integrated approach to efficient sensitivity
calculations is discussed and applied to a set of slightly
reduced divertor models. Sensitivities of target heat load
performance to the shaping coil currents are directly
evaluated. Using adjoint methods, the cost for a sensitivity
evaluation is reduced to about two times the simulation cost
of one specific configuration. Further, the use of these
sensitivities in an optimal design framework is illustrated
by a case with realistic Joint European Torus (JET)
configurational parameters.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174) / HITEC -
Helmholtz Interdisciplinary Doctoral Training in Energy and
Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-174 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000358467200267},
doi = {10.1016/j.jnucmat.2014.11.053},
url = {https://juser.fz-juelich.de/record/188872},
}