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Evolution of the H-mode edge pedestal between ELMs

W.M. Stacey, R.J. Groebner2011年被引用 10Nuclear FusionIF 3出版社

The evolution of edge pedestal parameters between edge-localized modes (ELMs) is analyzed for an H-mode DIII-D (Luxon 2002 Nucl. Fusion42 612) discharge. Experimental data are averaged over the same sub-intervals between successive ELMs to develop data that characterize the evolution of density, temperature, rotation velocities, etc over the interval between ELMs. These data are interpreted within the context of the constraints imposed by particle, momentum and energy balance, in particular in terms of the pinch–diffusion relation for radial particle flux that is required by momentum balance. It is found that in the edge pedestal there is an increase in both inward (pinch) electromagnetic and outward (diffusive) pressure gradient forces over the inter-ELM interval.

日本語訳

周辺局在モード(ELM)間のエッジペデスタルパラメータの時間発展を、HモードDIII-D(Luxon 2002 Nucl. Fusion 612)放電について解析する。実験データは、連続するELM間の同じサブ区間にわたって平均化され、ELM間の区間における密度、温度、回転速度などの時間発展を特徴付けるデータを作成する。これらのデータは、粒子、運動量、およびエネルギーバランスによって課される制約の文脈で解釈され、特に運動量バランスによって要求される動径粒子束に対するピンチ・拡散関係の観点から解釈される。エッジペデスタルにおいて、ELM間区間の間に内向き(ピンチ)電磁気的および外向き(拡散的)圧力勾配力の両方が増加することが見出される。

装置

diii-d低精度(概要文一致)

wiki

Edge localized modeH-modePedestal
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