Falling Liquid Film Flow along Cascade-typed First Wall of Laser-Fusion Reactor
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.
Laser fiusion reactor Cascade-type liquid-first-wall concept Liquid film flow Proof-of-principle experiment Numerical simulation Flow visuatization
T. Kunugi T. Nakai Z. Kawara T. Norimatsu Y.Kozaki
Department of Nuclear Engineering, Kyoto University, Yoshida, Sakyo, 6068501, Japan National Institute of Fusion Science, 322-6 Oroshicho, Toki 5095292, Japan
国际会议
桂林
英文
243-247
2007-10-23（万方平台首次上网日期，不代表论文的发表时间）