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首页> 外文期刊>AIP Advances >Numerical simulations to model laser-driven coil-capacitor targets for generation of kilo-Tesla magnetic fields
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Numerical simulations to model laser-driven coil-capacitor targets for generation of kilo-Tesla magnetic fields

机译:用于模型激光驱动螺旋电容器目标的数值模拟,用于生成千-TESLA磁场

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摘要

A coil-capacitor target is modeled using FEM simulations and analytical calculations, which allow to explain the time evolution of such complex target during magnetic field production driven by the flow of an extremely high current generated through the interaction with a high power laser. The numerical model includes a detailed study of the magnetic field produced by the coil-capacitor target, both in the static and transient cases, as well as magnetic force and Joule heating. The model is validated by experimental data reported in literature and can be of interest for several applications. As an example, the combination of two synchronized nanosecond lasers with the purpose of producing a plasma responsible of the proton-boron ( p + + 11 B → 8.5 MeV + 3 α ) fusion reaction, and energizing two multi-turn coils with the main purpose of confining such a plasma could enhance the reaction rate. The preliminary conceptual design of a magnetic mirror configuration to be used for confining protons and boron ions up to a few MeV / u in a region of less than 1 mm2 is briefly reported.
机译:使用FEM模拟和分析计算建模的线圈电容器目标,其允许在通过与高功率激光器的相互作用产生的极高电流的流动驱动的磁场产生期间解释这种复杂目标的时间演变。数值模型包括由静态和瞬态壳体的线圈电容器目标产生的磁场的详细研究,以及磁力和焦耳加热。该模型由文学中报告的实验数据验证,并且可能对几种应用感兴趣。作为示例,两个同步的纳秒激光器的组合,其目的是产生质子 - 硼的血浆(P + + 11b→8.5mev +3α)融合反应,并激励两个具有限制这种等离子体的主要目的的多转线圈可以提高反应速率。简要介绍了用于限制质子和硼离子的磁镜构造的初步概念设计,该磁影构型和硼离子在小于1mm 2 的区域中较少的少于几MEV / U.

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