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Pellet fuelling with edge-localized modes controlled by external magnetic perturbations in MAST

M. Valovič, L. Garzotti, C. Gurl, A. Kirk, D. Dunai, A.R. Field, I. Lupelli, G. Naylor, A. Thornton, the MAST Team2015年被引用 12Nuclear FusionIF 3出版社

The fuelling of plasmas by shallow frozen pellets with simultaneous mitigation of edge-localized modes (ELM) by external magnetic perturbation is demonstrated on the MAST tokamak. In these plasmas post-pellet particle loss is dominated by ELMs. It is shown that the size of post-pellet ELMs can be controlled by external magnetic perturbations. Post-pellet ELMs remove particles from a large part of the pellet deposition zone including the area with positive density gradient. The mechanism explaining this peculiarity of particle loss is suggested.

日本語訳

浅い凍結ペレットによるプラズマの燃料供給と、外部磁場摂動による周辺局在モード(ELM)の同時緩和が、MASTトカマクにおいて実証された。これらのプラズマでは、ペレット後の粒子損失はELMによって支配される。ペレット後のELMの大きさは外部磁場摂動によって制御可能であることが示された。ペレット後のELMは、正の密度勾配を有する領域を含むペレット堆積領域の大部分から粒子を除去する。この粒子損失の特異性を説明するメカニズムが提案された。

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mast高精度(タイトル一致)

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Edge localized modeMagnetic perturbationMASTFuelling
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