TY - JOUR
T1 - ELM control by resonant magnetic perturbations on JET and MAST
AU - Nardon, E.
AU - Kirk, A.
AU - Ben Ayed, N.
AU - Bécoulet, M.
AU - Cahyna, P.
AU - Evans, T.E.
AU - Huysmans, G.
AU - Koslowski, H.R.
AU - Liang, Y.
AU - Saarelma, S.
AU - Thomas, P.R.
AU - JET-EFDA contributors
PY - 2009/6/1
Y1 - 2009/6/1
N2 - In both JET and MAST, the Error Field Correction Coils (EFCCs) have been
used recently in order to attempt to control Type I Edge Localised Modes
(ELMs), which represent a major threat to the lifetime of plasma facing
components in ITER. Using vacuum magnetic modelling it is suggested that
the ELM mitigation observed at JET could be related to the
stochastization of the magnetic field at the edge. Indeed, the onset of
ELM mitigation is found to be correlated with a certain level of the
Chirikov parameter profile. Initial MAST results are presented which
show an effect of EFCCs on the ELMs, again compatible with edge
stochastization according to the modelling. New coils dedicated to ELM
control are ready for use on MAST this year and are presented here
briefly.
AB - In both JET and MAST, the Error Field Correction Coils (EFCCs) have been
used recently in order to attempt to control Type I Edge Localised Modes
(ELMs), which represent a major threat to the lifetime of plasma facing
components in ITER. Using vacuum magnetic modelling it is suggested that
the ELM mitigation observed at JET could be related to the
stochastization of the magnetic field at the edge. Indeed, the onset of
ELM mitigation is found to be correlated with a certain level of the
Chirikov parameter profile. Initial MAST results are presented which
show an effect of EFCCs on the ELMs, again compatible with edge
stochastization according to the modelling. New coils dedicated to ELM
control are ready for use on MAST this year and are presented here
briefly.
U2 - 10.1016/j.jnucmat.2009.01.205
DO - 10.1016/j.jnucmat.2009.01.205
M3 - Article
SN - 0022-3115
VL - 390
SP - 773
EP - 776
JO - Journal of Nuclear Materials
JF - Journal of Nuclear Materials
ER -