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Observation of drift-wave-like instability in tokamak core region

S. Raychaudhuri1995年被引用 6Nuclear FusionIF 3出版社

The tokamak core region has been investigated by using Langmuir probes at reduced plasma currents. Density and temperature profiles are measured. The results on the detected frequencies and velocities of the observed drift-wave-like instabilities are presented and compared with the corresponding values obtained from the density gradient measured in the system. Plasma toroidal rotation detected in the core region is attributed to the shift in frequency (from theoretical values) observed in that region. The local particle flux has also been measured with Langmuir probes and compared with the measurements from the mixing length approximation

日本語訳

トカマク中心領域は、低減されたプラズマ電流においてラングミュアプローブを用いて調査された。密度および温度のプロファイルが測定された。観測されたドリフト波様不安定性の検出された周波数と速度に関する結果が提示され、システム内で測定された密度勾配から得られた対応する値と比較された。中心領域で検出されたプラズマのトロイダル回転は、その領域で観測された(理論値からの)周波数のずれに起因するとされる。局所的な粒子フラックスもまた、ラングミュアプローブを用いて測定され、混合長近似からの測定値と比較された。

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