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Sawtooth Control in ITER using Ion Cyclotron Resonance Heating
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0002-7142-7103
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2011 (English)In: Proceedings of the EPS Conference on Plasma Physics, 2011Conference paper (Other academic)
Abstract [en]

Numerical modelling of the effects of ion cyclotron resonance heating (ICRH) on the stability of the internal kink mode suggests that ICRH should be considered as an essential sawtooth control tool in ITER. Sawtooth control using ICRH is achieved by directly affecting the energy of the kink mode rather than through modification of the magnetic shear by driving localised currents. Consequently, ICRH can be seen as complementary to the planned electron cyclotron current drive actuator. Simulations of the ICRH distribution using independent RF codes give confidence in numerical predictions that the stabilising influence of the fusion-born alphas can be negated by appropriately tailored minority 3He ICRH heating in ITER.

Place, publisher, year, edition, pages
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Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-86254OAI: diva2:500557
38th EPS Conference on Plasma Physics
QC 20120319Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-03-19Bibliographically approved

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