About: Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.)

Facets (new session)
Description
Metadata
Settings
- owl:sameAs
- Inference Rule:

About: Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.) Goto Sponge NotDistinct Permalink

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

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Resonant magnetic perturbations for ELM mitigation in tokamaks can be modified by the plasma response and indeed strong screening of the applied perturbation is in some cases predicted by simulations. In this contribution we use the spiralling patterns (footprints) appearing on the divertor to reveal information about the plasma response. We use two theoretical tools for investigation of the impact of plasma response on footprints: a simple model of the assumed screening currents, and the MHD code MARS-F. MARS-F predicts a more significant reduction of footprints in odd parity than in even parity, explaining the results obtained on MAST. In the MAST experiments the footprints are correlated with the density pump-out, but appear later. Their sudden appearance is incompatible with the vacuum perturbation field approximation and can be explained by a decay of the plasma screening (the event of perturbation penetration). Resonant magnetic perturbations for ELM mitigation in tokamaks can be modified by the plasma response and indeed strong screening of the applied perturbation is in some cases predicted by simulations. In this contribution we use the spiralling patterns (footprints) appearing on the divertor to reveal information about the plasma response. We use two theoretical tools for investigation of the impact of plasma response on footprints: a simple model of the assumed screening currents, and the MHD code MARS-F. MARS-F predicts a more significant reduction of footprints in odd parity than in even parity, explaining the results obtained on MAST. In the MAST experiments the footprints are correlated with the density pump-out, but appear later. Their sudden appearance is incompatible with the vacuum perturbation field approximation and can be explained by a decay of the plasma screening (the event of perturbation penetration). (en)
Title	Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.) Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.) (en)
skos:prefLabel	Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.) Modelling of plasma response to resonant magnetic perturbations and its influence on divertor strike points(IAEA24th.) (en)
skos:notation	RIV/61389021:_____/13:00397689!RIV14-AV0-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP205/11/2341)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pánek, Radomír Cahyna, Pavel Peterka, Matěj
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	88952
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/13:00397689
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Magnetohydrodynamics; tokamak; divertor; magnetic perturbation (en)
http://linked.open.../riv/klicoveSlovo	tokamak Magnetohydrodynamics magnetic perturbation divertor
http://linked.open...ontrolniKodProRIV	[C973B1A13966]
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	3 (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	2013
http://linked.open...iv/tvurceVysledku	Pánek, Radomír Kirk, A. Cahyna, Pavel Chapman, I. Liu, Y. Q. Nardon, E. Peterka, Matěj Schmitz, O. Harrison, J. R. Thornton, A.

Faceted Search & Find service v1.16.118 as of Jun 21 2024

Alternative Linked Data Documents: ODE Content Formats:

RDF

ODATA

Microdata

About

OpenLink Virtuoso version 07.20.3240 as of Jun 21 2024, on Linux (x86_64-pc-linux-gnu), Single-Server Edition (126 GB total memory, 58 GB memory in use)
Data on this page belongs to its respective rights holders.
Virtuoso Faceted Browser Copyright © 2009-2024 OpenLink Software