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Measurements localization in poloidal correlation reflectometry

E.Z. Gusakov, A.Yu. Popov2006年被引用 5Nuclear FusionIF 3出版社

In the present paper the localization of poloidal correlation reflectometry (PCR) is treated analytically for arbitrary density and turbulence profiles. The 3D WKB approach is used to calculate the fluctuation reflectometry signal and the PCR cross correlation function produced by long-scale turbulence. The study is performed in cylindrical geometry correctly accounting for the plasma curvature effects. The probing wave propagation is described in paraxial approximation accounting for the refraction and diffraction effects. The obtained explicit expressions for the PCR characteristics can be used for determination of the turbulence level and the velocity distribution from the experimental data for arbitrary density profiles.

日本語訳

本論文では、ポロイダル相関反射測定(PCR)の局在化を、任意の密度分布および乱流分布に対して解析的に扱う。3次元WKB近似を用いて、長波長乱流によって生じる揺動反射測定信号およびPCR相互相関関数を計算する。この研究は、プラズマの曲率効果を正確に考慮した円筒座標系で行われる。探査波の伝播は、屈折および回折効果を考慮した近軸近似で記述される。得られたPCR特性の明示的な解析式は、任意の密度分布に対する実験データから、乱流のレベルおよび速度分布の決定に使用することができる。

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