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dc.creatorF. Salzedas
dc.creatorF. C. Schuller
dc.creatorA. A. M. Oomens
dc.creatorRTP Team
dc.description.abstractThe local measurement of the island width w, around the resonant surface, allowed a direct test of the extended Rutherford model [P. H. Rutherford, PPPL Report-2277 (1985)], describing the evolution of radiation-induced tearing modes prior to disruptions of tokamak plasmas. It is found that this model accounts very well for the observed exponential growth and supports radiation losses as being the main driving mechanism. The model implies that the effective perpendicular electron heat conductivity in the island is smaller than the global one. Comparison of the local measurements of w with the magnetic perturbed field showed that w1/2 was valid for widths up to 18% of the minor radius.
dc.subjectPhysical sciences
dc.titleExponentially growing tearing modes in Rijnhuizen Tokamak Project plasmas
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.subject.fosCiências exactas e naturais::Física
dc.subject.fosNatural sciences::Physical sciences
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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