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ERCH in low q plasma in T-10. The first plasma in T-15

V S Strelkov1989年Plasma Physics and Controlled FusionIF 2.2出版社

The energy confinement time under microwave heating for various q values in T-10 linearly rises with the plasma density and with increase in the plasma column radius. At a given ECRH-power the energy increment in the plasma practically does not depend on the magnitude of the current, and the confinement time can be represented in the form: tau E= tau E.OH(POH/Ptot)alpha . The disruption study has shown that the development of an internal, minor or major disruption is accompanied by poloidal field perturbations, along with an ordinary MHD-activity at higher frequencies. An attempt to produce a device signalling the beginning of the disruptive instability development, in order to prevent it by external effects, has been made. The results of complex tests of the T-15 systems are given.

日本語訳

種々のq値を有するT-10におけるマイクロ波加熱下でのエネルギー閉じ込め時間は、プラズマ密度およびプラズマ柱半径の増加に伴って線形的に増大する。所定のECRHパワーにおいて、プラズマ中のエネルギー増分は実質的に電流値に依存せず、閉じ込め時間は次の形式で表すことができる:τ_E = τ_E^OH(P_OH/P_tot)^α。ディスラプション研究により、内部ディスラプション、マイナー・ディスラプション、あるいはメジャー・ディスラプションの発生には、より高い周波数での通常のMHD活動に加えて、ポロイダル磁場の摂動が伴うことが示された。ディスラプティブ不安定性の発生を検知し、外部効果によってそれを防止する装置の作製が試みられた。T-15システムの複合試験の結果が示されている。

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