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首页> 外文期刊>Nuclear fusion >ENERGY SCALING OF INERTIAL CONFINEMENT FUSION TARGETS FOR IGNITION AND HIGH GAIN
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ENERGY SCALING OF INERTIAL CONFINEMENT FUSION TARGETS FOR IGNITION AND HIGH GAIN

机译：点火和高增益惯性约束融合目标的能量缩放

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摘要

The dependence of the ignition threshold on the velocity v_imp and compressibility of an imploding fuel mass is central to establishing the driver requirements and implosion strategy for inertial confinement fusion (ICF). Using a series of LASNEX calculations, it is found that ke_imp ∝ v_imp~-α β~α, where ke_imp is the kinetic energy in the imploding fuel at the ignition threshold, α= 5.5 ± 0.5, α = 1.7 ± 0.2 and v_imp is the implosion velocity. Here, the compressibility parameter β is related to the pressure P and density ρ of the DT fuel by the relation P = βρ~5/3. These results are obtained by starting at the peak implosion velocity for a fuel shell of a high gain ICF capsule and scaling the isentrope, mass and velocity of the fuel shell.
机译：点火阈值对内燃燃料质量的速度v_imp和可压缩性的依赖性对于建立驾驶员要求和惯性约束聚变（ICF）的内爆策略至关重要。使用一系列LASNEX计算，发现ke_imp ∝ v_imp〜-αβ〜α，其中ke_imp是在点火阈值时内燃燃料中的动能，α= 5.5±0.5，α= 1.7±0.2，v_imp为内爆速度。在此，可压缩性参数β与DT燃料的压力P和密度ρ相关，关系为P =βρ〜5/3。这些结果是通过以高增益ICF囊的燃料壳的内爆峰值速度开始并缩放燃料壳的等熵，质量和速度来获得的。

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