IMPLOSION, STABILITY, AND BURN OF MULTISHELL FUSION PELLETS
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概要
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Various multishell laser/e-beam fusion pellets are described. These include a design with hollow fuel inside a high Z pusher shell which gives greatly improved performance without extreme pulse shaping. The advantage of multishell, multimaterial pellets are discussed in general. Stability calcula-tions then show that Taylor instability on both the inside and outside of shells can amplify perturbations with spherical harmonic l-numbers of the order of 100 by factors exceeding ten thousand. However, by decreasing shell aspect ratios (r/Δr) and intensifying the ablation rate these amplifications can be greatly reduced. Acceptable instability growth seems attainable by using aspect ratios of the order of five or less and/or by operating in a less efficient exploding pusher mode. The effects of tamping by high Z material on thermonuclear burn are briefly discussed.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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