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Effect of helium concentration on ignition curves with energy confinement time including radiation losses

E. Rebhan, U. Vieth, D. Reiter, G.H. Wolf1996年被引用 24Nuclear FusionIF 3出版社

It is known from earlier studies, that owing to enhanced radiation losses and dilution effects of the helium ash, the burn regime of ignited fusion plasmas in the neτE versus T plane has an upper limit when τE is the energy confinement time owing to heat conduction. So far no such upper limit has been found when radiation losses are included in the definition of τE. It is shown in this letter that an upper limit also exists in the latter case, and corresponding closed ignition curves are presented. Furthermore, it is shown that the operating regime of ignited plasma equilibria is restricted by a boundary of radiative equilibria that lies below the so-called radiation limit

日本語訳

先行研究から、ヘリウム灰による放射損失の増大と希釈効果により、熱伝導によるエネルギー閉じ込め時間をτEとしたとき、 ignited 核融合プラズマの燃焼領域はneτE対T平面において上限を持つことが知られている。これまで、τEの定義に放射損失を含めた場合にはそのような上限は見出されていなかった。本レターでは、後者の場合にも上限が存在することを示し、対応する閉じた点火曲線を提示する。さらに、ignited プラズマ平衡の運転領域は、いわゆる放射限界の下方に位置する放射平衡の境界によって制限されることを示す。

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HeliumIgnitionEnergy confinementIon lossConfinement time
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