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Progress in Mirror-Based Fusion Neutron Source Development

机译:基于镜像的聚变中子源开发进展

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摘要

The Budker Institute of Nuclear Physics in worldwide collaboration has developed a project of a 14 MeV neutron source for fusion material studies and other applications. The projected neutron source of the plasma type is based on the gas dynamic trap (GDT), which is a special magnetic mirror system for plasma confinement. Essential progress in plasma parameters has been achieved in recent experiments at the GDT facility in the Budker Institute, which is a hydrogen (deuterium) prototype of the source. Stable confinement of hot-ion plasmas with the relative pressure exceeding 0.5 was demonstrated. The electron temperature was increased up to 0.9 keV in the regime with additional electron cyclotron resonance heating (ECRH) of a moderate power. These parameters are the record for axisymmetric open mirror traps. These achievements elevate the projects of a GDT-based neutron source on a higher level of competitive ability and make it possible to construct a source with parameters suitable for materials testing today. The paper presents the progress in experimental studies and numerical simulations of the mirror-based fusion neutron source and its possible applications including a fusion material test facility and a fusion-fission hybrid system.
机译:与世界各地的Budker核物理研究所合作开发了一个14 MeV中子源的项目,用于聚变材料研究和其他应用。投影的等离子中子源基于气体捕集阱(GDT),它是用于等离子体限制的特殊磁镜系统。在Budker研究所的GDT设施的最新实验中,血浆参数已取得实质性进展,这是氢(氘)源的原型。证明了相对压力超过0.5的热离子等离子体的稳定限制。在中等功率的附加电子回旋共振加热(ECRH)的情况下,电子温度升至0.9 keV。这些参数是轴对称开镜陷阱的记录。这些成就使基于GDT的中子源的项目具有更高的竞争能力,并使构建具有适用于当今材料测试的参数的源成为可能。本文介绍了基于镜像的聚变中子源的实验研究和数值模拟的进展及其可能的应用,包括聚变材料测试设备和聚变裂变混合系统。

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