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Edge localized modes and fluctuations in the JET SOL region

B Gonçalves, C Hidalgo, M A Pedrosa, C Silva, R Balbín, K Erents, M Hron, A Loarte, G Matthews2003年Plasma Physics and Controlled FusionIF 2.2出版社

The statistical properties of the radial propagation of edge localized modes (ELMs) have been investigated in the Scrape-off layer (SOL) region of the JET tokamak. ELM events propagate radially with effective radial velocities in the range of 1000 m s−1. Experimental results show a link between the radial velocity and the size of transport events. This suggests the importance of the competition between both parallel and radial transport to explain particle losses onto the divertor plates. Parallel flows show a transient increase during the appearance of ELMs, providing evidence of a coupling between parallel dynamics and radial transport.

日本語訳

JETトカマクのスクレイプオフ層領域におけるエッジ局在モード(ELM)の径方向伝播の統計的性質を調査した。ELM事象は、1000 m s⁻¹の範囲の径方向速度で伝播する。実験結果は、径方向速度と輸送事象の規模との間に関連があることを示している。これは、ダイバータ板への粒子損失を説明するために、平行方向輸送と径方向輸送の両方の競合が重要であることを示唆している。平行方向の流れは、ELMの発生中に過渡的な増加を示し、平行方向のダイナミクスと径方向輸送との間の結合の証拠を提供している。

装置

jet高精度(タイトル一致)

wiki

JETEdge localized modeScrape-off layer
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