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Transport analysis in ohmic and ECR heated plasmas in the RTP tokamak

J A Konings, G M D Hogeweij, N J Lopes Cardozo, A A M Oomens, F C Schuller1994年Plasma Physics and Controlled FusionIF 2.2出版社

Global and local power balance studies in ohmic and ECR-heated plasmas in the RTP tokamak (R0=0.72 m, a=0.16 m, BT=2.14 T) are reported, and compared with models. In ohmic plasmas the energy confinement time is consistent with the Goldston-ohmic scaling law. Using ECRH, high Te and Del Te are obtained. An updated version of the Rebut-Lallia-Watkins transport model successfully describes chi eeff in these extreme plasma conditions. Improved confinement ( tau EECRH=2 tau EOmega ) is observed in low-density, low-current plasmas when the ECRH power is comparable to the ohmic input power.

日本語訳

RTPトカマク(R0=0.72 m、a=0.16 m、BT=2.14 T)におけるオーミック加熱およびECRH加熱プラズマの大域的および局所的パワーバランス研究について報告し、モデルとの比較を行う。オーミックプラズマにおけるエネルギー閉じ込め時間は、Goldstonのオーミックスケーリング則と一致する。ECRHを用いることにより、高いTeおよびΔTeが得られる。Rebut-Lallia-Watkins輸送モデルの更新版は、これらの極端なプラズマ条件下におけるχeffを良好に記述する。ECRHパワーがオーミック入力パワーと同程度の場合、低密度・低電流プラズマにおいて閉じ込めの改善(τE,ECRH=2τE,Ω)が観測される。

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Electron cyclotron resonanceOhmic heatingRTP
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