重离子惯性聚变反应堆堆芯研究
Researches on a reactor core in heavy ion inertial fusion
摘要：
本文介绍了重离子惯性聚变（HIF）中聚变堆堆芯的研究，包括聚变堆中重离子束（HIB）的输运、HIB与背景气体的相互作用、堆腔气体动力学、反应堆气体回流到束流线以及HIB聚变堆设计。HIB具有在惯性聚变中释放聚变能量的显著优选特征：在粒子加速器中，HIB以约30- 40%的高驱动器效率产生，并且HIB离子将其能量沉积在材料内部。因此，对聚变靶能量增益的要求相对较低，这将是~50以操作具有1GW电力的标准能量输出的HIF聚变反应堆。在聚变堆中，弹道式HIB输运需要HIB电荷中和。在反应器壁上的每个HIB端口处将安装多个机械挡板，以阻止冲击波和腔室气体回流，使得加速器最终元件将被保护免受反应器气体污染物的影响。本文讨论了聚变反应堆的基本组成部分。
英文摘要：
In this paper a study on a fusion reactor core is presented in heavy ion inertial fusion (HIF), including the heavy ion beam (HIB) transport in a fusion reactor, a HIB interaction with a background gas, reactor cavity gas dynamics, the reactor gas backflow to the beam lines, and a HIB fusion reactor design. The HIB has remarkable preferable features to release the fusion energy in inertial fusion: in particle accelerators HIBs are generated with a high driver efficiency of ~30-40%, and the HIB ions deposit their energy inside of materials. Therefore, a requirement for the fusion target energy gain is relatively low, that would be ~50 to operate a HIF fusion reactor with a standard energy output of 1GW of electricity. In a fusion reactor the HIB charge neutralization is needed for a ballistic HIB transport. Multiple mechanical shutters would be installed at each HIB port at the reactor wall to stop the blast waves and the chamber gas backflow, so that the accelerator final elements would be protected from the reactor gas contaminant. The essential fusion reactor components are discussed in this paper.
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