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Highly resolved measurements of dust motion in the sheath boundary of magnetized plasmas
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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2015 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 55, no 11, 112001Article in journal (Refereed) Published
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Abstract [en]

Dust trajectories have been recorded with an unprecedented, under fusion-relevant plasma conditions, spatial resolution of 9 mu m/pixel in Pilot-PSI. The optical setup allowed the use of fast cameras as a basic microscope. It is demonstrated that such a resolution is essential for the correct interpretation of experiments on several aspects of dust-surface interactions. Highly resolved tungsten dust dynamics measurements are presented from dedicated experiments on dust collisions with plasma facing components, motion in the vicinity of castellated samples and remobilization from planar samples.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2015. Vol. 55, no 11, 112001
Keyword [en]
dust dynamics, sheath, dust impacts, castellations, dust remobilization, fast imaging
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-180519DOI: 10.1088/0029-5515/55/11/112001ISI: 000366528700001Scopus ID: 2-s2.0-84946039525OAI: oai:DiVA.org:kth-180519DiVA: diva2:895463
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QC 20160119

Available from: 2016-01-19 Created: 2016-01-14 Last updated: 2016-01-19Bibliographically approved

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Ratynskaia, SvetlanaTolias, PanagiotisVignitchouk, LadislasBykov, Igor
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