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Fundamental factors affecting thermonuclear ignition
Nuclear Fusion ( IF 3.5 ) Pub Date : 2021-08-02 , DOI: 10.1088/1741-4326/ac12ea
Baolian Cheng 1 , Paul A. Bradley 1 , Sean M. Finnegan 1 , Cliff A. Thomas 2
Affiliation  

Recent inertial confinement fusion experiments on the National Ignition Facility (NIF) have improved performance and interpretability. These results help us address hydrodynamic efficiency, pusher adiabat, tamping, and hot-spot confinement as they pertain to criteria for ignition. We present requirements for propagating burn that are stringent compared to existing literature. The effects of the pusher adiabat on the energy partition for the cold and hot DT are addressed, as well as the persistent discrepancy between the observed and simulated neutron down scattering ratio. The required energy for achieving ignition on NIF and paths forward to optimize or increase the capsule yields for given laser energy are also discussed.



中文翻译:

影响热核点火的基本因素

最近在国家点火装置 (NIF) 上进行的惯性约束聚变实验提高了性能和可解释性。这些结果帮助我们解决流体动力效率、推杆绝热、夯实和热点限制,因为它们与点火标准有关。我们提出了与现有文献相比更严格的传播燃烧的要求。解决了推进器绝热对冷和热 DT 能量分配的影响,以及观察到的和模拟的中子向下散射比之间的持续差异。还讨论了在 NIF 上实现点火所需的能量以及优化或增加给定激光能量的胶囊产量的路径。

更新日期:2021-08-02
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