About: Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D

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About: Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The impact of resonant magnetic perturbations (RMPs) on the plasma edge can be analyzed in detail by three dimensional computer simulations, which take the underlying magnetic field structure as input. Previously, the %22vacuum approximation%22 has been used to calculate the magnetic field structure although plasma response effects may result in a screening (or even an amplification) of the external perturbations. Simulation results for an ITER similar shape plasma at the DIII-D tokamak are presented for the full vacuum perturbation field and an ad hoc screening case in comparison to the unperturbed configuration. It is shown that the RMP induced helical patterns in the plasma edge and on the divertor target shrink once screening is taken into account. However, a flat temperature profile is still found in the %22open field line domain%22 inside the separatrix, while the %22density pump out effect%22 found in the vacuum RMP case is considerably weakened. The impact of resonant magnetic perturbations (RMPs) on the plasma edge can be analyzed in detail by three dimensional computer simulations, which take the underlying magnetic field structure as input. Previously, the %22vacuum approximation%22 has been used to calculate the magnetic field structure although plasma response effects may result in a screening (or even an amplification) of the external perturbations. Simulation results for an ITER similar shape plasma at the DIII-D tokamak are presented for the full vacuum perturbation field and an ad hoc screening case in comparison to the unperturbed configuration. It is shown that the RMP induced helical patterns in the plasma edge and on the divertor target shrink once screening is taken into account. However, a flat temperature profile is still found in the %22open field line domain%22 inside the separatrix, while the %22density pump out effect%22 found in the vacuum RMP case is considerably weakened. (en)
Title	Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D (en)
skos:prefLabel	Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D Impact of screening of resonant magnetic perturbations in three dimensional edge plasma transport simulations for DIII-D (en)
skos:notation	RIV/61389021:_____/12:00380832!RIV13-GA0-61389021
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	5
http://linked.open...vai/riv/dodaniDat	2013
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	140685
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/12:00380832
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tokamak; TEXTOR; divertors; plasma boundary layers; plasma density; plasma magnetohydrodynamics; plasma simulation; plasma temperature; plasma toroidal confinement; plasma transport processes; Tokamak devices (en)
http://linked.open.../riv/klicoveSlovo	plasma simulation tokamak plasma temperature plasma toroidal confinement plasma density plasma transport processes TEXTOR divertors plasma boundary layers plasma magnetohydrodynamics Tokamak devices
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D62673EA7F96]
http://linked.open...i/riv/nazevZdroje	Physics of Plasmas
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Control of edge localized modes in tokamaks by external magnetic perturbations
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	19
http://linked.open...iv/tvurceVysledku	Feng, Y. Cahyna, Pavel Nardon, E. Evans, T. Schmitz, O. Frerichs, H. Reiter, D.
http://linked.open...ain/vavai/riv/wos	000304831100022
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	1070-664X
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4714616

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