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dc.creatorG. Ronchi
dc.creatorJ. H. F. Severo
dc.creatorF. Salzedas
dc.creatorR. M. O. Galvão
dc.creatorE. K. Sanada
dc.description.abstractThe behavior of the intrinsic toroidal rotation of the plasma column during the growth and eventualsaturation of m/n = 2/1 magnetic islands, triggered by programmed density rise, has been carefully investigatedin disruptive discharges in TCABR. The results show that, as the island starts to grow and rotate at aspeed larger than that of the plasma column, the angular frequency of the intrinsic toroidal rotation increasesand that of the island decreases, following the expectation of synchronization. As the island saturates at alarge size, just before a major disruption, the angular speed of the intrinsic rotation decreases quite rapidly,even though the island keeps still rotating at a reduced speed. This decrease of the toroidal rotation is quitereproducible and can be considered as an indicative of disruption.
dc.titleInterplay between intrinsic plasma rotation and magnetic island evolution in disruptive discharges
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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