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The effect of resonant magnetic perturbations on runaway electron transport in ITER

Gergely Papp (Institutionen för teknisk fysik, Nukleär teknik) ; M Drevlak ; Tünde Fülöp (Institutionen för teknisk fysik, Nukleär teknik) ; Gergö Pokol
Plasma Physics and Controlled Fusion (0741-3335). Vol. 54 (2012), 12, p. 125008.
[Artikel, refereegranskad vetenskaplig]

In this paper the effect of resonant magnetic perturbations (RMPs) on the net radial transport of runaway electrons (REs) is calculated by simulating the RE drift orbits in magnetostatic perturbed fields. Through the transport, RMP influences the time dynamics and preferred loss directions of the REs, which are determined for different magnetic perturbation configurations. The distribution of the field mesh exit points of the REs become more localized compared with the unperturbed case, since the loss pattern depends on the geometric properties of the RMP configuration such as periodicity or helicity. On the other hand, the loss patterns do not depend on the particle energies and starting positions. The particle radial steps are correlated with the local radial magnetic perturbation component, which makes the transport chaotic, but deterministic.



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Denna post skapades 2012-11-25. Senast ändrad 2014-09-02.
CPL Pubid: 166577

 

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Institutioner (Chalmers)

Institutionen för teknisk fysik, Nukleär teknik (2006-2015)

Ämnesområden

Energi
Hållbar utveckling
Plasmafysik
Fusion
Plasmafysik med fusion

Chalmers infrastruktur

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