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Globus-M plasma edge modeling with B2SOLPS5.2 code

E Vekshina, I Senichenkov, V Rozhansky, E Kaveeva, N Khromov, G Kurskiev, M Patrov, Globus-M team2016年Plasma Physics and Controlled FusionIF 2.2出版社

The edge plasma of five Globus-M discharges was modeled by the B2SOLPS5.2 code. Plasma current varied in 114–198 kA range, and all discharges were in the H-mode. The modeled scrape-off layer (SOL) width appeared to be inversely proportional to the plasma current. Such a relation is observed in many other tokamaks. Heat flux to the outer divertor target and radiation power was examined for these discharges. Radiation was found to be responsible for 40% of the energy loss. Energy flux to the low outer divertor target was about 1/3 of the energy loss in the single-null low X-point discharges.

日本語訳

5回のGlobus-M放電における周辺プラズマをB2SOLPS5.2コードを用いてモデル化した。プラズマ電流は114~198 kAの範囲で変化し、すべての放電はHモードであった。モデル化されたスクレイプオフ層(SOL)の幅は、プラズマ電流に反比例することが示された。このような関係は、他の多くのトカマクでも観測されている。これらの放電について、外側ダイバータターゲットへの熱流束と放射パワーを調べた。放射がエネルギー損失の40%を担っていることが判明した。シングルヌル低X点放電において、外側ダイバータターゲットへのエネルギー流束はエネルギー損失の約1/3であった。

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