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The effect of the magnetic limiter current on the peripheral chaotic region of a tokamak

N Reggiani, P H Sakanaka1994年Plasma Physics and Controlled FusionIF 2.2出版社

We considered the Martin-Taylor model (1984) for a magnetic limiter of a tokamak. Calculating the Lyapunov exponent and diffusion coefficient we analysed the dependence of the length of the chaotic region at the edge of the tokamak on the magnetic limiter current. Our results indicate that for a large tokamak, operating in a certain range of the shear values, this current can be lowered by as much as one order of magnitude, with respect to the value calculated by Martin and Taylor.

日本語訳

我々は、トカマクの磁気リミターに関するMartin-Taylorモデル(1984年)を考察した。リアプノフ指数と拡散係数を計算し、磁気リミター電流に対するトカマク周辺部のカオス領域の長さの依存性を解析した。我々の結果は、大きなトカマクにおいて、特定のシア値の範囲で動作する場合、この電流はMartinとTaylorによって計算された値と比較して、1桁程度低減できることを示している。

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