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Tungsten dust remobilization under steady-state and transient plasma conditions.

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    SYSNO ASEP0480267
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleTungsten dust remobilization under steady-state and transient plasma conditions.
    Author(s) Ratynskaia, S. (SE)
    Tolias, P. (SE)
    De Angeli, M. (IT)
    Weinzettl, Vladimír (UFP-V) RID, ORCID
    Matějíček, Jiří (UFP-V) RID, ORCID
    Bykov, I. (US)
    Rudakov, D.L. (US)
    Vignitchouk, L. (SE)
    Thorén, E. (SE)
    Riva, G. (IT)
    Ripamonti, D. (IT)
    Morgan, T. (NL)
    Pánek, Radomír (UFP-V) RID
    De Temmerman, G. (FR)
    Source TitleNuclear Materials and Energy
    Roč. 12, August (2017), s. 569-574
    Number of pages6 s.
    Publication formPrint - P
    ActionPSI 2016 - 22nd International Conference on Plasma Surface Interactions in Controlled Fusion Devices/22./
    Event date30.05.2016 - 03.06.2016
    VEvent locationRoma
    CountryIT - Italy
    Event typeWRD
    Languageeng - English
    CountryNL - Netherlands
    KeywordsTungsten ; Dust ; Remobilization ; Tokamak
    Subject RIVBL - Plasma and Gas Discharge Physics
    OECD categoryFluids and plasma physics (including surface physics)
    R&D ProjectsGA14-12837S GA ČR - Czech Science Foundation (CSF)
    LM2015045 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    Institutional supportUFP-V - RVO:61389021
    UT WOS000417293300090
    EID SCOPUS85006994117
    DOI10.1016/j.nme.2016.10.021
    AnnotationRemobilization is one of the most prominent unresolved fusion dust-relevant issues, strongly related to the lifetime of dust in plasma-wetted regions, the survivability of dust on hot plasma-facing surfaces and the formation of dust accumulation sites. A systematic cross-machine study has been initiated to investigate the remobilization of tungsten micron-size dust from tungsten surfaces implementing a newly developed technique based on controlled pre-adhesion by gas dynamics methods. It has been utilized in a number of devices and has provided new insights on remobilization under steady-state and transient conditions. The experiments are interpreted with contact mechanics theory and heat conduction models.
    WorkplaceInstitute of Plasma Physics
    ContactVladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975
    Year of Publishing2018
Number of the records: 1