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Effect of 3D magnetic perturbations on the plasma rotation in ASDEX Upgrade

A F Martitsch, S V Kasilov, W Kernbichler, G Kapper, C G Albert, M F Heyn, H M Smith, E Strumberger, S Fietz, W Suttrop2016年Plasma Physics and Controlled FusionIF 2.2出版社

The toroidal torque due to the non-resonant interaction with external magnetic perturbations (TF ripple and perturbations from ELM mitigation coils) in ASDEX Upgrade is modelled with help of the NEO-2 and SFINCS codes and compared to semi-analytical models. It is shown that almost all non-axisymmetric transport regimes contributing to neoclassical toroidal viscosity (NTV) are realized within a single discharge at different radial positions. The NTV torque is obtained to be roughly a quarter of the NBI torque. This indicates the presence of other important momentum sources. The role of these momentum sources and possible integral torque balance measurements are briefly discussed.

日本語訳

ASDEX Upgradeにおける非共鳴外部摂動(ELM緩和コイルによる摂動およびTFリップル)に起因するトロイダルトルクは、NEO-2およびSFINCSコードを用いてモデル化され、半解析モデルと比較された。ほぼすべての非軸対称輸送領域が、単一放電内の異なる半径位置において新古典トロイダル粘性によって実現されることが示された。NBIトルクは、NTVトルクの約4分の1であることが得られた。これは、他の重要な運動量源の存在を示唆している。これらの運動量源の役割と、可能な積分運動量バランス測定について簡単に議論する。

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asdex-upgrade高精度(タイトル一致)

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ASDEXASDEX UpgradeMagnetic perturbationPlasma rotation
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