About: Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Experiments have been performed on MAST using internal (n = 3) resonant magnetic perturbation (RMP) coils. The application of the RMPs to L-mode discharges has shown a clear density pump-out when the field line pitch angle at the low-field side of the plasma is sufficiently well aligned with the applied field. The application of the RMPs before the L–H transition increases the power required to achieve H-mode by at least 30%. In type I ELMing H-mode discharges, at a particular value of q95, the ELM frequency can be increased by a factor of 5 by the application of the RMPs. This effect on the ELMs and the L-mode density pump-out is not correlated with the width of the region for which the Chirikov parameter, calculated using the vacuum field, is greater than 1 but may be correlated with the size of the resonant component of the applied field in the pedestal region or with the location of the peak plasma displacement when the plasma response is taken into account. Experiments have been performed on MAST using internal (n = 3) resonant magnetic perturbation (RMP) coils. The application of the RMPs to L-mode discharges has shown a clear density pump-out when the field line pitch angle at the low-field side of the plasma is sufficiently well aligned with the applied field. The application of the RMPs before the L–H transition increases the power required to achieve H-mode by at least 30%. In type I ELMing H-mode discharges, at a particular value of q95, the ELM frequency can be increased by a factor of 5 by the application of the RMPs. This effect on the ELMs and the L-mode density pump-out is not correlated with the width of the region for which the Chirikov parameter, calculated using the vacuum field, is greater than 1 but may be correlated with the size of the resonant component of the applied field in the pedestal region or with the location of the peak plasma displacement when the plasma response is taken into account. (en)
Title	Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils (en)
skos:prefLabel	Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils (en)
skos:notation	RIV/61389021:_____/11:00366888!RIV12-AV0-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP205/11/2341), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Cahyna, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	210221
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/11:00366888
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Resonant magnetic perturbations; L-H transition; spherical tokamaks; edge localized modes (en)
http://linked.open.../riv/klicoveSlovo	L-H transition Resonant magnetic perturbations edge localized modes spherical tokamaks
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[FD6FE25638FF]
http://linked.open...i/riv/nazevZdroje	Plasma Physics and Controlled Fusion
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Control of edge localized modes in tokamaks by external magnetic perturbations
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Kirk, A. Cahyna, Pavel Chapman, I. Denner, P. Liu, Y. Q. Meyer, H. Mordijck, S. Nardon, E. Tamain, P. Temple, D.
http://linked.open...ain/vavai/riv/wos	000290558900014
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	0741-3335
number of pages	18 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0741-3335/53/6/065011
is http://linked.open...avai/riv/vysledek of	Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils Magnetic perturbation experiments on MAST L- and H-mode plasmas using internal coils

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