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Edge localized mode control experiments on MAST using resonant magnetic perturbations from in-vessel coils
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Nardon, E., Kirk, A., Akers, R., Becoulet, M., Cahyna, P., De Temmerman, G., Dudson, B., Hnat, B., Liu, Y., Martin, R., Meyer, H., Tamain, P., Taylor, D. and Temple, D. (2009) Edge localized mode control experiments on MAST using resonant magnetic perturbations from in-vessel coils. In: 36th European Physical Society Conference on Plasma Physics, Natl Palace Culture, Sofia, Bilgaria, June 29-July 03, 2009. Published in: Plasma Physics and Controlled Fusion, Vol.51 (No.12). Article no. 124010. ISSN 0741-3335. doi:10.1088/0741-3335/51/12/124010
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Official URL: http://dx.doi.org/10.1088/0741-3335/51/12/124010
Abstract
Edge localized mode (ELM) control has been investigated on MAST with a set of in-vessel coils producing n = 3 perturbations. In spite of a broad enough region where the Chirikov parameter is above 1, according to the criterion employed for the design of the ITER ELM control coils, no effect was seen on type I ELMs. The behaviour on MAST is different from that in DIII-D in this respect. The coils do have an effect, however, on Ohmic L-mode plasmas and plasmas just above the L-H transition. In the former, they induce a density pump-out, modify the turbulence characteristics and edge radial electric field and produce a strike point splitting, while in the latter they can trigger ELMs in ELM-free plasmas.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Plasma Physics and Controlled Fusion | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 0741-3335 | ||||
| Official Date: | December 2009 | ||||
| Dates: |
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| Volume: | Vol.51 | ||||
| Number: | No.12 | ||||
| Number of Pages: | 10 | ||||
| Page Range: | Article no. 124010 | ||||
| DOI: | 10.1088/0741-3335/51/12/124010 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | United Kingdom Engineering and Physical Sciences Research Council, European Communities | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 36th European Physical Society Conference on Plasma Physics | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Natl Palace Culture, Sofia, Bilgaria | ||||
| Date(s) of Event: | June 29-July 03, 2009 |
Data sourced from Thomson Reuters' Web of Knowledge
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