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First observation of rotation acceleration of magnetic island by using rotating resonant magnetic perturbation on the J-TEXT tokamak

B Rao, Y H Ding, Q M Hu, N C Wang, B Yi, M Y Zheng, W Jin, J C Li, Z F Cheng, Q Yu2013年Plasma Physics and Controlled FusionIF 2.2出版社

A set of in-vessel saddle coils called dynamic resonant magnetic perturbation (DRMP) for generating rotating resonant magnetic perturbations has recently been constructed on the J-TEXT tokamak. The phenomenon of tearing mode locking to DRMP and rotating together with the DRMP field has been observed. There is an apparent decrease of the island width during the locking and unlocking procedure. Similar results are obtained in the numerical simulation.

日本語訳

J-TEXTトカマクにおいて、回転共鳴磁気摂動を生成するための動的共鳴磁気摂動(DRMP)と呼ばれる真空容器内サドルコイルが最近建設された。DRMPへのティアリングモードのロックと、DRMP磁場とともに回転する現象が観測された。ロックおよびアンロックの過程において、島幅の明らかな減少が見られる。数値シミュレーションでも同様の結果が得られている。

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Magnetic perturbationResonant magnetic perturbationMagnetic islandsTEXTJ-TEXTIon acceleration
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