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Falling Liquid Film Flow along Cascade-typed First Wall of Laser-Fusion Reactor

机译:沿着激光融合反应器的级联第一壁下降的液膜流动

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摘要

To protect from high energy/particle fluxes caused by muclear fusion reaction such as extremely high heat flux,, X rays, Alpha particles and fuel debris to a First-wall of an inertia fusion reactor a "cascade type" falling liquid film flow is proposed as a "liquid wall" concept which is one of the reactor chamber cooling and wall protection schemes. The flow visualization experiment to investigate the feasibility of this liquid wall concept has been conducted. According to the preliminary numerical simulation results based on the water as the working liqttid. the cascade structure design must be improved. Therefore, the cascade-type First-wall and performed the flow visnalization are redesigned. The new cascade-type First-wall consists of a liquid rcservoir having a ffce-sttrface maintailling a constant water-head located at the backside of the First-wall, and connects to the slit composed of two plates: one of the plates is the First-wall. We performed the POP (proof-of-principle) experiments. According to the POP experimental results of this new cascade-type liqttid-First-wall concept, it is confirmed that the liquid flow rate and the thickness of the liquid film could be controlled.
机译:为了防止由核聚变反应引起的高能量/粒子通量(例如极高的热通量),X射线,Alpha粒子和燃料碎片进入惯性聚变反应堆的第一壁,提出了一种“级联”下降的液膜流作为“液壁”概念,它是反应室冷却和壁保护方案之一。已经进行了流动可视化实验以研究这种液壁概念的可行性。根据初步的数值模拟结果,以水为工作液。级联结构设计必须改进。因此,重新设计了级联型第一壁并进行了流量可视化。新的叶栅型第一壁由一个液体储层组成,该储层的流体面位于第一壁的背面,并带有一个恒定的水头,并连接到由两块板组成的狭缝中:第一壁。我们进行了POP(原理验证)实验。根据该新的级联型液-第一壁概念的POP实验结果,证实了可以控制液体流速和液膜厚度。

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