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Evidence for a poloidally localized enhancement of radial transport in the scrape-off layer of the Tore Supra tokamak

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    SYSNO ASEP0355644
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleEvidence for a poloidally localized enhancement of radial transport in the scrape-off layer of the Tore Supra tokamak
    Author(s) Gunn, J. P. (FR)
    Boucher, C. (CA)
    Dionne, M. (CA)
    Ďuran, Ivan (UFP-V) RID, ORCID
    Fuchs, Vladimír (UFP-V) RID
    Loarer, T. (FR)
    Nanobashvili, I. (FR)
    Pánek, Radomír (UFP-V) RID
    Pascal, J.-Y. (FR)
    Saint-Laurent, F. (FR)
    Stöckel, Jan (UFP-V) RID
    Van Rompuy, T. (BE)
    Zagórski, R. (PL)
    Adámek, Jiří (UFP-V) RID, ORCID
    Bucalossi, J. (FR)
    Dejarnac, Renaud (UFP-V) RID, ORCID
    Devynck, P. (FR)
    Hertout, P. (FR)
    Hron, Martin (UFP-V) RID, ORCID
    Lebrun, G. (CA)
    Moreau, P. (FR)
    Rimini, F. (FR)
    Sarkissian, A. (CA)
    Van Oost, G. (BE)
    Source TitleJournal of Nuclear Materials. - : Elsevier - ISSN 0022-3115
    363-365, - (2007), s. 484-490
    Number of pages7 s.
    Publication formweb - web
    ActionInternational Conference on Plasma-Surface Interactions in Controlled Fusion Devices/17th./
    Event date22.05.2006-26.05. 2006
    VEvent locationHefei
    CountryCN - China
    Event typeWRD
    Languageeng - English
    CountryNL - Netherlands
    KeywordsCross-field transport ; Edge plasma ; Plasma flow ; Tore Supra
    Subject RIVBG - Nuclear, Atomic and Molecular Physics, Colliders
    R&D ProjectsGP202/03/P062 GA ČR - Czech Science Foundation (CSF)
    CEZAV0Z20430508 - UFP-V (2005-2011)
    UT WOS000247657200084
    DOI10.1016/j.jnucmat.2007.01.195
    AnnotationNear-sonic parallel flows are systematically observed in the far scrape-off layer(SOL) of the limiter tokamak Tore Supra, as in many L-mode X-point divertor tokamak plasmas. The poloidal variation of the parallel flow has been measured by moving the contact point of a small circular plasma onto limiters at different poloidal angles. The resulting variations of flow are consistent with the existence of a poloidally localized enhancement of radial transport concentrated in a 30deg sector near the outboard midplane. If the plasma contact point is placed on the inboard limiters, then the SOL expands to fill all the space between the plasma and the outboard limiters, with density decay lengths between 10 and 20 cm. On the other hand, if the contact point lies on the outboard limiters, the localized plasma outflux is scraped off and the SOL is very thin with decay lengths around 2–3 cm. The outboard radial transport would have to be about two orders of magnitude stronger than inboard to
    WorkplaceInstitute of Plasma Physics
    ContactVladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975
    Year of Publishing2011
Number of the records: 1  

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