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Tungsten dust remobilization under steady-state and transient plasma conditions
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.ORCID iD: 0000-0002-6712-3625
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.ORCID iD: 0000-0001-9632-8104
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2017 (English)In: NUCLEAR MATERIALS AND ENERGY, ISSN 2352-1791, Vol. 12, 569-574 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 12, 569-574 p.
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Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-220643DOI: 10.1016/j.nme.2016.10.021ISI: 000417293300090Scopus ID: 2-s2.0-85006994117OAI: oai:DiVA.org:kth-220643DiVA: diva2:1173125
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QC 20180111

Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-01-11Bibliographically approved

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Ratynskaia, Svetlana V.Tolias, PanagiotisVignitchouk, LadislasThorén, Per-Anders

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Ratynskaia, Svetlana V.Tolias, PanagiotisVignitchouk, LadislasThorén, Per-Anders
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Space and Plasma PhysicsKTHNanostructure Physics
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