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Use of soft x-ray diagnostic on the COMPASS tokamak for investigations of sawteeth crash neighborhood and of plasma position using fast inversion methods
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SYSNO ASEP 0436281 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Use of soft x-ray diagnostic on the COMPASS tokamak for investigations of sawteeth crash neighborhood and of plasma position using fast inversion methods Author(s) Imríšek, Martin (UFP-V) RID
Weinzettl, Vladimír (UFP-V) RID, ORCID
Mlynář, Jan (UFP-V) RID
Odstrčil, T. (DE)
Odstrčil, M. (GB)
Ficker, O. (CZ)
Pinzon, J.R. (FR)
Ehrlacher, C. (FR)
Pánek, Radomír (UFP-V) RID
Hron, Martin (UFP-V) RID, ORCIDSource Title Review of Scientific Instruments. - : AIP Publishing - ISSN 0034-6748
Roč. 85, č. 11 (2014), 11E433-11E433Number of pages 4 s. Publication form Print - P Action Topical Conference on High-Temperature Plasma Diagnostics/20./ Event date 01.06.2014-05.06.2014 VEvent location Atlanta Country US - United States Event type WRD Language eng - English Country US - United States Keywords Inversion methods ; Plasma positions ; Sawteeth ; Soft X-ray Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GAP205/10/2055 GA ČR - Czech Science Foundation (CSF) LM2011021 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFP-V - RVO:61389021 UT WOS 000345646000181 EID SCOPUS 84907484271 DOI 10.1063/1.4894528 Annotation The soft x-ray diagnostic is suitable for monitoring plasma activity in the tokamak core, e.g., sawtooth instability. Moreover, spatially resolved measurements can provide information about plasma position and shape, which can supplement magnetic measurements. In this contribution, fast algorithms with the potential for a real-time use are tested on the data from the COMPASS tokamak. In addition, the soft x-ray data are compared with data from other diagnostics in order to discuss possible connection between sawtooth instability on one side and the transition to higher confinement mode, edge localized modes and productions of runaway electrons on the other side. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2015
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