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A design window for reactor-size, direct-drive laser fusion shell targets

S. Atzeni1984年被引用 4Nuclear FusionIF 3出版社

A simple model is used to evaluate the reactor potentiality of direct-drive laser fusion shell targets, irradiated by unshaped laser pulses of an energy lower than a few mega-joules. For single-shell targets a narrow design window in the relevant parameter space exists, which allows for a gain G > 200. Long wavelengths (λ > 2 µm), small aspect ratios (ADT < 30) and small D-T masses (MDT < 3 mg) are excluded. For double-shell targets these constraints are somewhat relaxed; the relevant results agree with preliminary 1-D simulations.

日本語訳

単純なモデルを用いて、数メガジュール未満のエネルギーを持つ整形されていないレーザーパルスで照射される直接駆動シェルターゲットの炉心可能性を評価する。単層シェルターゲットでは、関連するパラメータ空間において狭い設計窓が存在し、利得G > 200が可能となる。長波長(λ > 2 μm)、小さなアスペクト比(ADT < 30)、および小さなD-T質量(MDT < 3 mg)は除外される。二重シェルターゲットでは、これらの制約はやや緩和され、関連する結果は予備的な1次元シミュレーションと一致する。

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