Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic  magnetic boundary

Evans, T E; Moyer, R; Watkins, J G; Thomas, P. R; Osborne, T. H; Boedo, J; Groebner, R. J; Groth, M; Harris, Jeffrey; Jackson, Gregory; La Haye, R. J; Lasnier, C. J; Schaffer, M. J; Wang, G; Zeng, L; Fenstermacher, M. E; Finken, K H

Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary

Date

2005

Authors

Evans, T E

Moyer, R

Watkins, J G

Thomas, P. R

Osborne, T. H

Boedo, J

Groebner, R. J

Groth, M

Harris, Jeffrey

Jackson, Gregory

Publisher

Elsevier

Abstract

Large 70 Hz Type-I edge localized modes (ELMs) are converted into small 130 Hz oscillations using edge resonant magnetic perturbations (RMPs) from a coil with currents ≤0.4% Ip in double null DIII-D plasmas. When the RMP is properly phased with respect