Comprehensive Analysis on the Role of Helical Movement of the Magnetic Axis in Stellarators

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Abstract

<p>The physical confinement properties of stellarators are analyzed for the neo-classical transport and the magnetic well. Three typical concepts of stellarators (LHD, Wendelstein 7-X and TJ-II) are compared in terms of the helical movement of cross sections of the last closed magnetic surface. It is shown that this geometric element strongly determines the confinement properties of both non-planar axis and planar axis stellarators.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 9(0), 3402031-3402031, 2014

    The Japan Society of Plasma Science and Nuclear Fusion Research

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