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The effect of ELM mitigation via RMP on divertor heat loads in the Mega Amp Spherical Tokamak and the implications for ITER
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SYSNO ASEP 0399309 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title The effect of ELM mitigation via RMP on divertor heat loads in the Mega Amp Spherical Tokamak and the implications for ITER Author(s) Thornton, A.J. (GB)
Kirk, A. (GB)
Cahyna, Pavel (UFP-V) RID
Harrison, J.R. (GB)
Liu, Y. (GB)Number of authors 6 Source Title Contributed Papers 40th European Physical Society Conference on Plasma Physics, 37D. - Mulhouse : European Physical Society, 2013 / Naulin V. ; Angioni C. ; Borghesi M. ; Ratynskaia S. ; Poedts S. ; Donné T. ; Kurki-Suonio T. ; Äkäslompolo S. ; Hakola A. ; Airila M. - ISBN 2-914771-84-3 Pages o3.107-o3.107 Number of pages 4 s. Publication form Online - E Action European Physical Society Conference on Plasma Physics/40./ Event date 01.07.2013-05.07.2013 VEvent location Espoo Country FI - Finland Event type EUR Language eng - English Country FI - Finland Keywords tokamak ; plasma ; H mode ; ELMs Subject RIV BL - Plasma and Gas Discharge Physics Institutional support UFP-V - RVO:61389021 Annotation In high confinement mode (H mode) of tokamak operation, steep gradients in pressure and currentform at the plasma edge. A critical gradient exists at the plasma edge, above which a peeling ballooning mode is driven unstable. The instability leads to a collapse of the edge region and the emission of particles and heat from the plasma in an event known as an edge localised mode (ELM). ELMs could limit the lifetime of ITER, due to the large transient heat loads they generate on the plasma facing components. A means of ELM mitigation is required to control the ELMs. One such mechanism is the application of resonant magnetic perturbations (RMPs) which act to perturb the plasma edge Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2014
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