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Magnetic islands and disruptions in the TOSCA tokamak

Nuclear fusion, 1979-01, Vol.19 (1), p.115-119 [Peer Reviewed Journal]

ISSN: 0029-5515 ;EISSN: 1741-4326 ;DOI: 10.1088/0029-5515/19/1/013

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  • Title:
    Magnetic islands and disruptions in the TOSCA tokamak
  • Author: Robinson, D.C ; McGuire, K
  • Is Part Of: Nuclear fusion, 1979-01, Vol.19 (1), p.115-119
  • Description: Magnetic-field measurements made in the outer regions of the TOSCA small multipole tokamak are described. Observed oscillations in the poloidal and radial fields are discussed, along with the production of m = 2 and m = 3 magnetic islands. The results reported indicate that: (1) m = 4, 3, 2, and n = 1 tearing modes are produced in TOSCA by a current gradient; (2) the m = 3 mode saturates at an amplitude of no more than 3%, with a corresponding island width not exceeding 2.0 cm; (3) surface destruction and a minor disruption occur at or above 3% amplitude; (4) the m = 2 islands reach 3.0 cm in size before a major disruption occurs; and (5) no other mode is present in the disruptive process in the TOSCA device.
  • Publisher: IOP Publishing
  • Language: English
  • Identifier: ISSN: 0029-5515
    EISSN: 1741-4326
    DOI: 10.1088/0029-5515/19/1/013
  • Source: Alma/SFX Local Collection
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