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Turning point in pellet fusion by low density volume compression for a simplified fusion reactor

Heinrich Hora1989年Fusion Engineering and DesignIF 1.7出版社

In view of the possible difficulties for the tokamak fusion reactor concept by reason of too high costs according to the Pfirsch-Schmitter result, the basically simpler and spatially highly concentrated pellet fusion reactor of the CASCADE type might be of interest. The only question is how pellet fusion will be realized, though the present day fusion gains by laser fusion are at least as good as that of tokamaks despite ten times less funding for laser fusion. The turning point for laser fusion is the fact achieved by Yamanaka and Nakai that a volume compression with the highest gains can be verified experimentally, for which case it has been shown already that volume ignition does lead to reactor appropriate moderate compression to only 50 times the solid state density for laser pulses in the MJ range.

日本語訳

トカマク型核融合炉概念について、プファーシュ=シュミッターの結果に基づきコストが高すぎる可能性があるという観点から、基本的により単純で空間的に高密度なカスケード型ペレット核融合炉が注目されるかもしれない。問題はペレット核融合がどのように実現されるかだけであるが、レーザー核融合への資金が10分の1であるにもかかわらず、現在のレーザー核融合による核融合利得はトカマク型と少なくとも同等である。レーザー核融合の転換点は、山中・中井によって達成された事実、すなわち最高の利得を持つ体積圧縮が実験的に検証可能であることであり、その場合、MJ領域のレーザーパルスに対して、体積点火が固体密度のわずか50倍への炉心に適した適度な圧縮をもたらすことがすでに示されている。

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