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Electron absorption of fast waves in global wave calculations

P E Moroz, P L Colestock1991年Plasma Physics and Controlled FusionIF 2.2出版社

The results of a theoretical study of fast wave electron absorption are presented. Proper expressions for the parallel component of the fast wave electric field E/sub /// and the electron absorption power, which can be used for global wave calculations, are derived. Electron absorption terms such as transit time magnetic pumping (TTMP), Landau damping and cross-term absorption are all shown to be of the same order of magnitude and should be taken into consideration. Wave equations are written in a form that incorporates electron absorption. Numerical results via the FASTWA code for the Phaedrus-T Tokamak illustrate the typical 3-D structure of the wave electric field and absorbed power, and the relation between different absorption mechanisms for a realistic Tokamak configuration.

日本語訳

高速波の電子吸収に関する理論的研究の結果を提示する。大域的な波動計算に使用できる、高速波の電場の平行成分E/sub ///および電子吸収パワーの適切な表現を導出する。通過時間磁気ポンピング(TTMP)、ランダウ減衰、および交差項吸収などの電子吸収項は、すべて同程度の大きさであり、考慮に入れるべきであることを示す。波動方程式は、電子吸収を組み込んだ形式で記述される。Phaedrus-Tトカマクに対するFASTWAコードによる数値結果は、現実的なトカマク配位における波動電場と吸収パワーの典型的な3次元構造、および異なる吸収メカニズム間の関係を示す。

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