About: Implications of X-point lobe structures due to resonant magnetic perturbations on MAST

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In order to assess the effectiveness of RMPs in mitigating the divertor power loading due to type I ELMs, experiments were performed on MAST using a set of 18 RMP coils. These have allowed ELM mitigation to be established in plasmas by applying fields with toroidal mode numbers n = 3, 4 or 6. Coincident with the effect of RMPs on the ELMs, for the first time, clear lobe structures have been observed to form near the x-point. These lobes, or manifold structures, have been predicted previously, and these observations are the first detailed measurements of their spatial structure in a range of plasma and RMP configurations. The appearance of the lobes is correlated with the effect of the RMPs on the plasma, which is manifest as a density pump out or an increase in ELM frequency, but form at a different ELM coil current threshold than for ELM mitigation. In order to assess the effectiveness of RMPs in mitigating the divertor power loading due to type I ELMs, experiments were performed on MAST using a set of 18 RMP coils. These have allowed ELM mitigation to be established in plasmas by applying fields with toroidal mode numbers n = 3, 4 or 6. Coincident with the effect of RMPs on the ELMs, for the first time, clear lobe structures have been observed to form near the x-point. These lobes, or manifold structures, have been predicted previously, and these observations are the first detailed measurements of their spatial structure in a range of plasma and RMP configurations. The appearance of the lobes is correlated with the effect of the RMPs on the plasma, which is manifest as a density pump out or an increase in ELM frequency, but form at a different ELM coil current threshold than for ELM mitigation. (en)
Title	Implications of X-point lobe structures due to resonant magnetic perturbations on MAST Implications of X-point lobe structures due to resonant magnetic perturbations on MAST (en)
skos:prefLabel	Implications of X-point lobe structures due to resonant magnetic perturbations on MAST Implications of X-point lobe structures due to resonant magnetic perturbations on MAST (en)
skos:notation	RIV/61389021:_____/12:00383598!RIV13-AV0-61389021
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Cahyna, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	140860
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/12:00383598
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	MAST; homoclinic tangle; edge localized mode; resonant magnetic perturbation (en)
http://linked.open.../riv/klicoveSlovo	MAST edge localized mode homoclinic tangle resonant magnetic perturbation
http://linked.open...ontrolniKodProRIV	[6F3C00B5EC8C]
http://linked.open...v/mistoKonaniAkce	Stockholm
http://linked.open...i/riv/mistoVydani	Mulhouse
http://linked.open...i/riv/nazevZdroje	EPS Europhysics Conference Abstracts Volume 36F – Contributed papers
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Liu, Y. Kirk, A. Cahyna, Pavel Nardon, E. Scannell, R. Chapman, I. T. Harrison, J. R. Thornton, A. J.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-07-02 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	European Physical Society
https://schema.org/isbn	2-914771-79-7

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