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Effects of thick bl...
Effects of thick blanket modules on the RWM stability in ITER
- Article/chapterEnglish2010
Publisher, publication year, extent ...
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2010-11-18
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IOP Publishing,2010
Numbers
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LIBRIS-ID:oai:research.chalmers.se:b5acc88e-f29a-484e-83c6-b6bc6c33e2fc
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https://doi.org/10.1088/0029-5515/50/12/125011DOI
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https://research.chalmers.se/publication/150127URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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In this paper we analyse the effects of three-dimensional ITER conducting structures on resistive wall modes (RWMs) growth rates. In particular, a highly detailed description of the thick ITER blanket modules (BMs) is given, with a volumetric mesh including slits, holes, pockets and an anisotropic resistivity to take into account cooling channels. Also other important details of the vacuum vessel are included, such as the outer triangular support, copper cladding, port extensions. To deal with the resulting huge computational model, a fast/parallel implementation of the CarMa code has been successfully developed and used. Both n = 1 (kink-like instability) and n = 0 (axisymmetric vertical instability) RWM are considered. The computational model is validated, on 2D test cases, by the consistency of fits to the growth rate with no-wall and ideal-wall limits calculated with MARS-F. Considering the full 3D model, the detrimental effect of ports on n = 1 growth rates is essentially counteracted by the beneficial effect of BMs.
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Liu, Yueqiang,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)elfliu
(author)
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Rubinacci, G.
(author)
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Ventre, S.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
Related titles
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In:Nuclear Fusion: IOP Publishing50:12, s. 125011-1741-43260029-5515
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