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Poloidal phasing effects on particle transportduring ion Bernstein heating

H Takeno, Y Yasaka, O Sakai, R Itatani, the WT-III group1999年Plasma Physics and Controlled FusionIF 2.2出版社

Ion Bernstein wave (IBW) heating experiments are performed with a poloidally phased antenna. Between two kinds of poloidal phasing, no difference is found with the heating effect which is expected from the mechanism of heating presented previously. The significant differences due to the difference of poloidal phasing are found in observations of electron density variation, emission intensities of impurity lines and scrape-off layer plasma. All the results show that the poloidal phasing brings about variations of particle transport, and a ponderomotive effect of the antenna near-field might be the most probable mechanism. The phasing effect should be considered on an intense radio frequency (RF) injection by poloidally aligned antenna elements.

日本語訳

イオン・バーンスタイン波(IBW)加熱実験は、ポロイダル位相調整されたアンテナを用いて実施される。2種類のポロイダル位相調整の間で、先に提示された加熱機構から予想される加熱効果には差異は見られない。ポロイダル位相調整の違いによる有意な差異は、電子密度変動、不純物スペクトル線の放射強度、およびスクレイプオフ層プラズマの観測において見られる。すべての結果は、ポロイダル位相調整が粒子輸送の変動を引き起こすことを示しており、アンテナ近傍場のポンデロモーティブ効果が最も有力な機構である可能性がある。位相調整効果は、ポロイダル方向に整列したアンテナ素子による強力な高周波(RF)入射において考慮されるべきである。

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Particle transportIon Bernstein wave
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