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Volt-second balance with the toroidal magnetic flux based on Poynting's theorem in tokamaks

M. Honda2018年Nuclear FusionIF 3出版社

The equation of the volt-second balance is derived based on Poynting's theorem with the toroidal magnetic flux involved. The poloidal voltage appears in association with the poloidal current and the change in the toroidal magnetic field. The influence of the toroidal flux is investigated numerically for two cases: the plasma current ramp-up and ramp-down case and the auxiliary heating case. The simulations reveal that full Poynting's theorem with both the poloidal and toroidal fluxes involved certainly holds and so does each component of the theorem.

日本語訳

ボルト秒平衡の方程式は、ポインティングの定理に基づき、トロイダル磁束を関与させて導出される。ポロイダル電圧は、ポロイダル電流およびトロイダル磁場の変化と関連して現れる。トロイダル磁束の影響は、2つの場合について数値的に調査される:プラズマ電流の立ち上げおよび立ち下げの場合と、補助加熱の場合である。シミュレーションにより、ポロイダル磁束とトロイダル磁束の両方を含む完全なポインティングの定理が確かに成り立つこと、そして定理の各成分も同様に成り立つことが明らかになる。

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