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Certain considerations concerning the nature of radial electric field and toroidal rotation velocity profile in tokamak plasma

A Romannikov2007年Plasma Physics and Controlled FusionIF 2.2出版社

A new and simple approach aimed at understanding the nature of the radial electric field in some types of tokamak plasmas is presented. It is shown that the radial electric field at some point on a magnetic surface in a tokamak plasma can be divided physically into two parts. The first part is related to a very small difference between densities of electrons and ions of two component plasmas on a magnetic surface in the corotating frame. The second part is related to toroidal rotations of current layers on magnetic surfaces. A new integral equation is calculated. The efficiency of this approach is shown by means of an illustrative example of a Tore-Supra experiment.

日本語訳

トカマクプラズマにおけるある種の径方向電場の性質を理解することを目的とした、新しくかつ簡潔な手法を提示する。トカマクプラズマの磁気面上のある点における径方向電場は、物理的に二つの部分に分けられることが示される。第一の部分は、共回転系における二成分プラズマの磁気面上での電子とイオンの密度の極めて小さな差に関係する。第二の部分は、磁気面上の電流層のトロイダル回転に関係する。新しい積分方程式が計算される。この手法の有効性は、Tore-Supra実験の具体例を用いて示される。

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Radial electric fieldToroidal rotation
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