Development of tritium tracer doped liquid fuel target for inertial confinement fusion at the Gekko XII-LFEX facility
Development of tritium tracer doped liquid fuel target for inertial confinement fusion at the Gekko XII-LFEX facility
复制标题
在 Gekko XII-LFEX 设施中开发用于惯性约束聚变的氚示踪剂掺杂液体燃料靶
DOI：
10.1080/15361055.2020.1716458
复制
发表时间：
2020
影响因子：
0.9
通讯作者：
Y. Iwasa,
中科院分区：
文献类型：
--
作者：
Y. Arikawa;Y. Iwasa,
在惯性约束聚变（ICF）中，使用含有氘和氚的燃料靶。在最近大坂大学激光工程研究所Gekko XII LFEX设施上的ICF实验中，开发了一种由聚苯乙烯胶囊组成的靶，该胶囊填充有D2O液体和X射线示踪材料溶液，如铜，钛或氯。在这项研究中，一个额外的T2O掺杂技术，氚可以均匀地混合已被开发。采用CuO氧化催化剂，由T2气体合成T2O。通过冷阱使T2O凝集，并将其转移到靶细胞中，其中放置了D2O溶液填充的靶。由于聚苯乙烯对T2O和D2O具有轻微的渗透性，因此D2O被T2O交换并完全混合。因此，可以制备具有多种材料的均匀的掺氚ICF靶。开发了T2O合成及掺杂系统，并以H2为冷源进行了测试。H2O以约50%的掺杂成功地掺杂到D2O预填充靶。该方案将用于ILE大坂的未来快速点火实验。
In inertial confinement fusion (ICF), a fuel target containing deuterium and tritium is used. In recent ICF experiments on the Gekko XII LFEX facility at the Institute of Laser Engineering at Osaka University (ILE-Osaka), a target comprised of a polystyrene capsule filled with D2O liquid and a solution of X-ray tracer materials, such as copper, titanium, or chlorine, was developed. In this study, an additional T2O doping technique by which tritium can be mixed uniformly has been developed. The T2O is synthesized by T2gas using a CuO oxidation catalyst. The T2O is agglutinated by cold trap and transferred to a target cell in which a D2O-solution-filled target is placed. Because polystyrene is slightly permeable for T2O and D2O, D2O is exchanged by T2O and completely mixed. Thus, a uniform tritium-doped ICF target with various materials can be fabricated. The T2O synthesizing and doping system is developed and tested using H2as a cold run. The H2O is successfully doped to a D2O prefilled target at approximately 50% doping. This scheme will be utilized in future fast ignition experiments at ILE-Osaka.