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Modeling of the edge plasma of MAST Upgrade with a Super-X divertor including drifts and an edge transport barrier

V Rozhansky, P Molchanov, I Veselova, S Voskoboynikov, A Kirk, G Fishpool, P Boerner, D Reiter, D Coster2013年Plasma Physics and Controlled FusionIF 2.2出版社

The Super-X divertor edge plasma of the future MAST Upgrade tokamak (Lisgo et al 2009 36th EPS Plasma Physics Conf.33E O4-046, Katramados et al 2011 Fusion Eng. Des.86 1595, Morris 2012 IEEE Trans. Plasma Sci.40 682) was simulated with the B2SOLPS5.2 transport code including, for the first time, the effects of drifts due to electric field and magnetic field gradients. The previous simulations did not contain drift effects as well as an account of the external transport barrier. The expected reduction in temperatures and heat flux densities at the low-field side divertors was obtained in the simulations. However, an account of drifts and parallel currents led to an up–down asymmetry of the power to the plates in the connected double null configuration, which was not observed in the simulations without drifts.

日本語訳

将来のMASTアップグレード・トカマクのSuper-Xダイバータ周辺プラズマ(Liszt et al 2009 36th EPS Plasma Physics Conf.33E O4-046, Katramados et al 2011 Fusion Eng. Des.86 1595, Morris 2012 IEEE Trans. Plasma Sci.40 682)は、B2SOLPS5.2輸送コードを用いて、初めて電場および磁場勾配によるドリフトの効果を含めてシミュレーションされた。以前のシミュレーションには、ドリフト効果も外部輸送障壁の考慮も含まれていなかった。低磁場側ダイバータにおける温度と熱流束密度の期待された減少が、シミュレーションで得られた。しかしながら、ドリフトと平行電流の考慮により、接続されたダブルヌル配位におけるプレートへの電力の上下非対称性が生じたが、これはドリフトなしのシミュレーションでは観測されなかった。

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mast高精度(タイトル一致)

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DivertorEdge plasmaTransport barrierMASTMAST UpgradeEdge transport
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