Plasma-Facing Components in Tokamaks: Material Modification and Fuel Retention
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Fuel inventory and generation of carbon and metal dust in a tokamak are perceived to be serious safety and economy issues for the steady-state operation of a fusion reactor, e.g. ITER. These topics have been explored in this thesis in order to contribute to a better understanding and the development of methods for controlling and curtailing fuel accumulation and dust formation in controlled fusion devices. The work was carried out with material facing fusion plasmas in three tokamaks: TEXTOR in Forschungszentrum Jülich (Germany), Tore Supra in the Nuclear Research Center Cadarache (France) and JET in Culham Centre for Fusion Energy (United Kingdom). Following issues were addressed: (a) properties of material migration products, i.e. co-deposited layers and dust particles; (b) impact of fuel removal methods on dust generation and on modification of plasma-facing components; (c) efficiency of fuel and deposit removal techniques; (d) degradation mechanism of diagnostic components - mirrors - and methods of their regeneration.
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. , xiv, 58 p.
Trita-EE, ISSN 1653-5146 ; 2012:058
magnetic confinement fusion, plasma-facing components, plasma-facing materials, fuel inventory, erosion and deposition
Fusion, Plasma and Space Physics
IdentifiersURN: urn:nbn:se:kth:diva-105099ISBN: 978-91-7501-567-5OAI: oai:DiVA.org:kth-105099DiVA: diva2:570022
2012-12-12, F3, Lindstedtsvagen 26, KTH, Stockholm, 10:00 (English)
Pégourié, Bernard, Dr.
Rubel, Marek, Professor
QC 201211162012-11-162012-11-162012-11-16Bibliographically approved
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