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Transport and effects of ferromagnetic dust in a tokamak with a metallic vessel
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.ORCID iD: 0000-0002-6712-3625
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2012 (English)In: Plasma Physics and Controlled Fusion, ISSN 0741-3335, E-ISSN 1361-6587, Vol. 54, no 12, 124043- p.Article in journal (Refereed) Published
Abstract [en]

Important physics effects in contemporary and future devices for magnetic fusion experiments depend on the interface with a 'composite' plasma, consisting of multiple ion species and heterogeneous dust with variable charge. A selection of processes related to dust and occurring in existing tokamaks is presented, focusing on new results on the physics of isolated micrometric ferromagnetic dust particles in the SOL of a tokamak with a metallic vessel of circular meridian cross section. Such particles in particular, in addition to usual forces, are subjected to magnetic dipole interaction with the ambient magnetic field and to strong evaporation effects at high surface temperatures. Moreover, preliminary results of inclusion of gaps in the vessel geometry suggest the possibility of dust trapping. Also reported are the effects of nanometre dust on plasma when the dust is to be considered as a plasma component.

Place, publisher, year, edition, pages
2012. Vol. 54, no 12, 124043- p.
Keyword [en]
dust particle, ion species, magnetic dipole interaction, magnetic fusion, metallic vessels, nanometres, new results, surface temperatures, vessel geometry
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-110173DOI: 10.1088/0741-3335/54/12/124043ISI: 000312579500046Scopus ID: 2-s2.0-84870153034OAI: oai:DiVA.org:kth-110173DiVA: diva2:587012
Funder
EU, European Research Council
Note

QC 20130114

Available from: 2013-01-14 Created: 2013-01-10 Last updated: 2017-12-06Bibliographically approved

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Ratynskaia, SvetlanaVignitchouk, Ladislas

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Ratynskaia, SvetlanaBanon, Jean-PhilippeVignitchouk, Ladislas
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