Resistivity in the dynamic current sheath of a field reversed configuration

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorKayama, M. E.-
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Descrição: dc.descriptionFundação para o Desenvolvimento da UNESP (FUNDUNESP)-
Descrição: dc.descriptionFUNDUNESP: 00492/08-DFP-
Descrição: dc.descriptionThe resistivity of a field reversed configuration in a theta-pinch with slow rising current was investigated during the turbulent phase from the moment of field reversal until end of plasma radial implosion. This transport coefficient was obtained in a hydrogen plasma by local measurements with magnetic probe and compared to numerical calculations with Chodura resistivity and evolution of lower hybrid drift instability. The values of resistivity are higher than those predicted by classical binary collision. During early phase of confinement, the doubly layer structure of current sheath in the low electric field machine was theoretically well reproduced with anomalous collision frequency calculated with Chodura resistivity that provides appropriate conditions for onset of lower hybrid drift instability and the regular evolution of pinch. The plasma dynamic, radial profiles of magnetic field during the radial compression and resistivity values were equally close to those observed by the measurements. (C) 2012 American Institute of Physics. []-
Formato: dc.format4-
Idioma: dc.languageen-
Publicador: dc.publisherAmerican Institute of Physics (AIP)-
Relação: dc.relationPhysics of Plasmas-
Relação: dc.relation1.941-
Direitos: dc.rightsclosedAccess-
Título: dc.titleResistivity in the dynamic current sheath of a field reversed configuration-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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