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Thick co-deposits and dust in controlled fusion devices with carbon walls: Fuel inventory and growth rate of co-deposited layers
KTH, Superseded Departments, Alfvén Laboratory.ORCID iD: 0000-0001-9901-6296
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2003 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. T103, 20-24 p.Article in journal (Refereed) Published
Abstract [en]

Recent results regarding the formation of co-deposits, fuel accumulation and overall material transport at the TEXTOR tokamak are described. Two categories of brittle flaking co-deposits were identified: (i) smooth stratified layers of a thickness of up to 50 mum and a fuel content of up to 16 at.%. (ii) granular and columnar structures reaching 1 mm in thickness and containing around 0.5 at.% of fuel species. They were formed on the blades of the toroidal belt pump limiter (similar to 15000 s of plasma operation) and on the neutraliser plates of this limiter (similar to 90000 s), respectively. A comparison is made to the fuel inventory measured in other controlled fusion devices with carbon walls.

Place, publisher, year, edition, pages
2003. Vol. T103, 20-24 p.
Keyword [en]
tritium, erosion, plasma, jet, retention, textor-94, limiter
URN: urn:nbn:se:kth:diva-22497DOI: 10.1238/Physica.Topical.103a00020ISI: 000182854700004OAI: diva2:341195
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Rubel, Marek J.
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