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提出了一种新型混合堆概念:用JET规模的,运行在亚劳逊条件的等离子体作为高能中子源,诱发一个贫铀、固体氚增殖剂、He冷包层,产生部分抑制裂变,可年产100kg钚。该堆芯不要求能量自持,靠外部输入20MW离子回旋共振和10MW的电子回旋共振加热维持其等离子体温度;用低杂波10MW电流驱动维持稳态等离子体电流1.5MA,用弹丸注入维持堆芯密度。考虑到离子横向速度非麦氏分布导致的D-T反应率增益为2～5倍,可使中子流强维持足够高的水平1×10~(19)n/s。该堆包层是固体氚增殖剂,Be慢化和倍增中子,到一定能谱,进行部分抑制裂变,使之总是一个被动系统,其功率密度仅为10W/cm~3,壁负荷 上限为0.6W/cm~2,均系目前裂变技术的下限,中子学计算表明它将永远处于次临界,即满足增殖要求,又具有良好的固有安全性。该项研究还分析了第一壁的辐照损伤以及第一壁上中子通量分布。该设计表明能够使聚变更早地得到应用的混合堆是可行的。
A new concept of a hybrid reactor is proposed: a JET-sized plasma operating under Clauson conditions as a high-energy neutron source induces a depleted uranium, a solid tritium proliferation agent, and a cold cladding of He, resulting in partial suppression of fission, Production of 100kg plutonium. The core does not require energy self-sustaining, maintaining its plasma temperature by external input of 20MW ion cyclotron resonance and 10MW electron cyclotron resonance heating; driving a steady state plasma current of 1.5MA with a low noise 10MW current, injecting the projectile into the maintenance core density. Considering that the non-Maxwell distribution of ion lateral velocity leads to a D-T reaction rate gain of 2 to 5 times, the neutron flux can be maintained at a sufficiently high level of 1 × 10 ~ (19) n / s. The stack is a solid tritium proliferation agent, Be slow and double multiplier neutrons, to a certain energy spectrum, partial inhibition of fission, making it a passive system, the power density of only 10W / cm ~ 3, wall load ceiling 0.6W / cm ~ 2, are the lower limit of the current fission technology, neutron calculations show that it will always be sub-critical, that is, to meet the proliferation requirements, but also has good intrinsic safety. The study also analyzed the first wall’s radiation damage and the first wall neutron flux distribution. This design shows that a hybrid stack that enables fusion to be applied earlier can be viable.