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Effect of toroidal plasma currents on theWendelstein 7-X Scrape-Off Layer

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dc.contributor.authorKiller, C.
dc.contributor.authorGao, Yu
dc.contributor.authorPerseo, Valeria
dc.contributor.authorRudischhauser, L.
dc.contributor.authorHammond, K
dc.contributor.authorButtenschön, Birger
dc.contributor.authorBarbui, Tullio
dc.contributor.authorBlackwell, Boyd
dc.contributor.authorBrunner, Kai-Jakob
dc.contributor.authorDrews, Philipp
dc.contributor.authorEndler, Michael
dc.contributor.authorGeiger, Joachim
dc.contributor.authorGrulke, Olaf
dc.contributor.authorJakubowski, Marcin
dc.contributor.authorKlose, Sören
dc.contributor.authorKnauer, Jens P
dc.contributor.authorKnieps, Alexander
dc.contributor.authorKönig, Ralf
dc.contributor.authorLi, Yongliang
dc.contributor.authorNeuner, Ulrich
dc.contributor.authorNiemann, Holger
dc.contributor.authorOtte, Matthias
dc.contributor.authorSchilling, Jonathan
dc.contributor.authorSitjes, A. Puig
dc.contributor.authorRahbarnia, Kian
dc.contributor.authorStange, Torsten
dc.date.accessioned2020-06-29T02:40:23Z
dc.date.available2020-06-29T02:40:23Z
dc.date.issued2019-11-08
dc.date.updated2020-01-19T07:40:21Z
dc.description.abstractThe role of toroidal plasma currents for the island divertor scrape-off layer in the stellarator Wendelstein 7-X is investigated using reciprocating electric probes. Experiments show that small amounts (of a few kA) of plasma current are sufficient to significantly affect the scrape-off layer plasma conditions, whereas higher plasma currents above 10kA result in more drastic changes. This behavior is linked to the effect of the plasma current on the rotational transform profile, which can result in significant shifts of the edge magnetic islands. These shifts affect the interaction of the islands with the divertor and can eventually result in a transition from a diverted to a limited plasma configuration. The probe observations are complemented by further edge diagnostics including plasma flow measurements, divertor Langmuir probes, divertor thermography and impurity spectroscopy.en_AU
dc.description.sponsorshipThis work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014-2018 and 2019-2020 under grant agreement number 633053.en_AU
dc.format.extent10 pagesen_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0741-3335en_AU
dc.identifier.urihttp://hdl.handle.net/1885/205597
dc.language.isoen_AUen_AU
dc.publisherInstitute of Physics Publishingen_AU
dc.rights© 2019 IOP Publishing Ltden_AU
dc.rights.licenseOriginal content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.en_AU
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en_AU
dc.sourcePlasma Physics and Controlled Fusionen_AU
dc.subjectstellarator, Scrape-Off Layer, reciprocating probe, island divertoren_AU
dc.titleEffect of toroidal plasma currents on theWendelstein 7-X Scrape-Off Layeren_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
dcterms.dateAccepted2019-10-16
local.bibliographicCitation.issue12en_AU
local.bibliographicCitation.startpage125014en_AU
local.contributor.affiliationKiller, C., Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationGao, Yu, Forschungszentrum Jülich, IEK-4 Plasmaphysiken_AU
local.contributor.affiliationPerseo, Valeria, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationRudischhauser, L., Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationHammond, K, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationButtenschön, Birger, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationBarbui, Tullio, Princeton Plasma Physics Laboratoryen_AU
local.contributor.affiliationBlackwell, Boyd, College of Science, The Australian National Universityen_AU
local.contributor.affiliationBrunner, Kai-Jakob, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationDrews, Philipp, Forschungszentrum Jülich, IEK-4 Plasmaphysiken_AU
local.contributor.affiliationEndler, Michael, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationGeiger, Joachim, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationGrulke, Olaf, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationJakubowski, Marcin, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationKlose, Sören, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationKnauer, Jens P, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationKnieps, Alexander, Forschungszentrum Jülich, IEK-4 Plasmaphysiken_AU
local.contributor.affiliationKönig, Ralf, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationLi, Yongliang, Forschungszentrum Jülich, IEK-4 Plasmaphysiken_AU
local.contributor.affiliationNeuner, Ulrich, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationNiemann, Holger, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationOtte, Matthias, Max Planck Institute for Plasma Physicsen_AU
local.contributor.affiliationSchilling, Jonathan, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationSitjes, A. Puig, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationRahbarnia, Kian, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.affiliationStange, Torsten, Max-Planck-Institut für Plasmaphysiken_AU
local.contributor.authoruidBlackwell, Boyd, u8508956en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Dischargesen_AU
local.identifier.absfor020299 - Atomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classifieden_AU
local.identifier.absseo859899 - Environmentally Sustainable Energy Activities not elsewhere classifieden_AU
local.identifier.absseo850403 - Nuclear Energyen_AU
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciencesen_AU
local.identifier.ariespublicationu9912193xPUB527en_AU
local.identifier.citationvolume61en_AU
local.identifier.doi10.1088/1361-6587/ab4f2den_AU
local.identifier.essn1361-6587en_AU
local.publisher.urlhttp://www.iop.org/en_AU
local.type.statusPublished Versionen_AU

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