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Tungsten dust remobilization under steady-state and transient plasma conditions.
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SYSNO ASEP 0480267 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Tungsten 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 Title Nuclear Materials and Energy. - : Elsevier
Roč. 12, August (2017), s. 569-574Number of pages 6 s. Publication form Print - P Action PSI 2016 - 22nd International Conference on Plasma Surface Interactions in Controlled Fusion Devices/22./ Event date 30.05.2016 - 03.06.2016 VEvent location Roma Country IT - Italy Event type WRD Language eng - English Country NL - Netherlands Keywords Tungsten ; Dust ; Remobilization ; Tokamak Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects GA14-12837S GA ČR - Czech Science Foundation (CSF) LM2015045 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFP-V - RVO:61389021 UT WOS 000417293300090 EID SCOPUS 85006994117 DOI https://doi.org/10.1016/j.nme.2016.10.021 Annotation Remobilization 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. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2018
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