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H-modes on COMPASS-D with high-power ECRH

S J Fielding, M Valovic, P G Carolan, D A Gates, C Hunt, P Leahy, A W Morris, the COMPASS-D Physics, ECRH Teams1998年Plasma Physics and Controlled FusionIF 2.2出版社

Recent high-power electron-cyclotron resonance heating (ECRH) H-mode experiments on COMPASS-D have used fundamental high-power ECRH to access high densities. Within the operating range set by the H-mode density threshold and ECRH accessibility, H-mode power thresholds are significantly higher than expected from ITER scalings, and show a contrary dependence on density. Energy confinement is somewhat lower than that suggested by the present ITER scalings, but correction for incomplete RF absorption may be needed. Complex H-mode and ELM behaviour is observed.

日本語訳

最近のCOMPASS-Dにおける高パワー電子サイクロトロン共鳴加熱(ECRH)を用いたHモード実験では、高パワーECRHを用いて高密度へのアクセスを実現した。Hモード密度閾値とECRH到達可能性によって設定された動作範囲内では、Hモードパワー閾値はITERスケーリングから予想される値よりも有意に高く、密度に対して逆の依存性を示す。エネルギー閉じ込めは現在のITERスケーリングが示唆する値よりもやや低いが、不完全なRF吸収の補正が必要となる可能性がある。複雑なHモードおよびELM挙動が観測される。

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Electron cyclotron heatingCOMPASS
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