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Capture by aerogel-characterization of mobile dust in tokamak scrape-off layer plasmas
KTH, Skolan för elektro- och systemteknik (EES), Rymd- och plasmafysik.ORCID-id: 0000-0002-6712-3625
KTH, Skolan för elektro- och systemteknik (EES), Fusionsplasmafysik.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Mikroelektronik och Informationsteknik, IMIT.
Vise andre og tillknytning
2009 (engelsk)Inngår i: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 49, nr 12Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The aim of this letter is to demonstrate the feasibility and potential of the novel in situ dust diagnostic method-capture by aerogel targets. Aerogel, a highly porous material with a density of a few tens of kg m(-3), allows capturing of dust particles present during the discharge without destroying them. The first exposures in the TEXTOR scrape-off layer plasma showed that such targets are able to capture both slow and fast particles with sizes in the range from submicrometre to similar to 100 mu m. The technique provides information on dust velocity and size distribution as well as dust flux estimates. The composition and texture of the captured dust can also be studied in detail to shed light on dust formation processes.

sted, utgiver, år, opplag, sider
2009. Vol. 49, nr 12
Emneord [en]
hypervelocity impact, silica aerogel, particles, transport
Identifikatorer
URN: urn:nbn:se:kth:diva-19086DOI: 10.1088/0029-5515/49/12/122001ISI: 000273210100001Scopus ID: 2-s2.0-70449105230OAI: oai:DiVA.org:kth-19086DiVA, id: diva2:337133
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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