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Measurement of Sheared Flows in the Edge Plasma of the CASTOR Tokamak
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SYSNO ASEP 0335094 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of Sheared Flows in the Edge Plasma of the CASTOR Tokamak Author(s) Brotánková, Jana (UFP-V)
Stöckel, Jan (UFP-V) RID
Horáček, Jan (UFP-V) RID, ORCID
Seidl, Jakub (UFP-V) RID
Ďuran, Ivan (UFP-V) RID, ORCID
Hron, Martin (UFP-V) RID, ORCID
Van Oost, G. (BE)Source Title Plasma Physics Reports - ISSN 1063-780X
Roč. 35, č. 11 (2009), s. 980-986Number of pages 7 s. Publication form web - web Action IAEA Technical Meeting on Research Using Small Fusion Devices/18th./ Event date 25.09.2008-27.09.2008 VEvent location Alushta (Krym) Country UA - Ukraine Event type WRD Language eng - English Country RU - Russian Federation Keywords Tokamak ; probe diagnostics ; sheared flows ; edge plasma ; turbulence Subject RIV BL - Plasma and Gas Discharge Physics CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000272430600008 DOI 10.1134/S1063780X09110087 Annotation The ion saturation current and floating potential are measured with high temporal (1micro s) and spatial (2.5 mm) resolutions at the plasma edge of the CASTOR tokamak by two poloidally spaced radial arrays of Langmuir probes. The radial electric field and the phase velocity of plasma fluctuations are estimated. The position of the velocity shear layer (VSL) is localized with a high precision. The shearing rate E×B determined and found to be comparable with the inverse of the correlation time of fluctuations 1/ac outside the VSL and about five times higher in the proximity of the VSL. A smThe ion saturation current and floating potential are measured with high temporal (1 micro s) and spatial (2.5 mm) resolutions at the plasma edge of the CASTOR tokamak by two poloidally spaced radial arrays of Langmuir probes. The radial electric field and the phase velocity of plasma fluctuations are estimated. The position of the velocity shear layer (VSL) is localized with a high precision. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2010
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