Formation and Sustainment of ITPs in ITER with the Baseline Heating Mix
Authors: Francesca M. Poli and Charles Kessel
Abstract:
Plasmas with internal transport barriers (ITBs) are a potential and attractive route
to steady-state operation in ITER. These plasmas exhibit radially localized regions
of improved con nement with steep pressure gradients in the plasma core, which
drive large bootstrap current and generate hollow current pro les and negative shear.
This work examines the formation and sustainment of ITBs in ITER with electron
cyclotron heating and current drive. It is shown that, with a trade-o of the power
delivered to the equatorial and to the upper launcher, the sustainment of steady-state
ITBs can be demonstrated in ITER with the baseline heating con guration.
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Published in: Phys. Plasmas 20, 056105 (2013) ; http://dx.doi.org/10.1063/1.4802937
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