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Hydrodynamic simulation for off-center fast ignition model

机译:偏心快速点火模型的流体动力学模拟

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An off-center ignition model related to the fast ignition concept has been studied using a two-dimensional hydrodynamic code, while taking into account the alpha particle heating effect. Pulse width and energy required for ignition for a compressed core with 200 g/cm~3 density and 0.5 g/cm~2 areal density have been evaluated for the case of constant heating. It is found that less than 11 ps pulse width and - 17 kJ energy injected into the spark region are required for igniting the core. From the simulations carried out to study the heating rate effect on the ignition conditions, it is found that the ignition conditions are highly dependent on the heating rate of the external pulse.
机译:使用二维流体力学代码研究了与快速点火概念有关的偏心点火模型,同时考虑了α粒子加热效应。对于持续加热的情况,已经评估了密度为200 g / cm〜3且面密度为0.5 g / cm〜2的压芯的脉冲宽度和点火所需的能量。已经发现,点燃铁芯需要小于11 ps的脉冲宽度和-17 kJ的能量注入火花区域。通过研究加热速率对点火条件的影响进行的模拟,发现点火条件高度依赖于外部脉冲的加热速率。

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