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Parametric instabilities and plasma heating in an inhomogeneous plasma

M. Porkoláb, V. Arunasalam, N.C. Luhmann Jr., J.P.M. Schmitt1976年被引用 23Nuclear FusionIF 3出版社

Experimental studies of plasma heating due to microwave irradiation of the magnetically confined plasma column in the Princeton L-3 device is presented. X-band (10.4 GHz) microwave power, both in the ordinary and the extraordinary modes of propagation, is used in these experiments. Plasma heating is observed to occur simultaneously with the occurrence of parametric decay instabilities. The mode structure of the pump wave and the decay ion wave dispersion have been measured with high frequency probes. Detailed measurements of electron heating rates are presented and compared with collisional heating rates. In addition, production of suprathermal electrons and ions is also observed and measured. A comparison is made with recent laser-pellet interaction experiments.

日本語訳

プリンストンL-3装置における磁場閉じ込めプラズマ柱のマイクロ波照射によるプラズマ加熱に関する実験的研究について報告する。これらの実験では、Xバンド(10.4 GHz)のマイクロ波電力が、常波および異常波の両伝播モードで使用された。プラズマ加熱は、パラメトリック崩壊不安定性の発生と同時に観測された。ポンプ波のモード構造および崩壊イオン波の分散関係は、高周波プローブを用いて測定された。電子加熱率の詳細な測定結果が提示され、衝突加熱率と比較された。さらに、超熱電子および超熱イオンの生成も観測され、測定された。最近のレーザーペレット相互作用実験との比較が行われた。

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Plasma heatingParametric instabilities
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