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Electron cyclotron heating of currentless plasmas in stellarators

L M Kovrizhnykh, I S Spigel1987年Plasma Physics and Controlled FusionIF 2.2出版社

This paper presents a review of experiments on the production and heating of currentless plasmasby electron cyclotron (EC) waves in the Heliotron-E, Wendelstein VII-A, and L-2 stellarators, inwide ranges of the magnetic field (1.0 - 2.5 T), frequency (28 - 70 GHz) and microwave power(100 - 500 kW). EC heating of low and high-density currentless plasmas as well as of ohmicallyheated (OH) plasmas is discussed. Nonlinear ion heating and plasma current generation wereobserved to accompany EC plasma heating. It was found that a high efficiency of microwaveabsorption, a high electron temperature (1 - 1.5 keV) and a considerable energy confinement, timeare characteristic of EC plasma heating.

日本語訳

本論文は、ヘリオトロンE、ヴェンデルシュタインVII-A、およびL-2ステラレーターにおいて、磁場(1.0〜2.5 T)、周波数(28〜70 GHz)、マイクロ波出力(100〜500 kW)の広い範囲にわたって、電子サイクロトロン(EC)波による無電流プラズマの生成と加熱に関する実験のレビューを提示する。低密度および高密度の無電流プラズマ、ならびにオーミック加熱(OH)プラズマのEC加熱について議論する。非線形イオン加熱とプラズマ電流の生成がECプラズマ加熱に伴って観測された。マイクロ波吸収の高効率、高電子温度(1〜1.5 keV)、およびかなりのエネルギー閉じ込め時間がECプラズマ加熱の特徴であることが見出された。

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