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Optimal Design of a Grid Cathode Structure in Spherically Convergent Beam Fusion Device by Response Surface Methodology Combined with Experimental Design

机译:响应表面方法与实验设计相结合的球体会聚光束融合装置网格阴极结构的优化设计

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A neutron production is very important to apply fusion energy through a Spherically Convergent Beam Fusion (SCBF) device as a portable neutron source and its rate is deeply dependent on the ion current. Also the ion current has a close relation with the potential well structure inside a grid cathode. This paper proposes a design method by varying the size of cathode rings to get an optimal grid cathode structure in a SCBF device. The optimization is based on the response surface methodology (RSM) and the full factorial design (FFD) is also applied to raise the precision of optimization and to reduce the iteration of experiment in the application of the RSM. The Finite Element Method-Flux Corrected Transport (FEM-FCT) method is employed to calculate the ion current. From the optimized model, the higher ion current is calculated and the deeper potential well is observed.
机译:中子制作非常重要,可以通过球体会聚光束融合(SCBF)器件作为便携式中子源施加熔合能量,并且其速率深深地依赖于离子电流。离子电流也具有与电网阴极内部内的潜在阱结构密切相关。本文通过改变阴极环的尺寸来提出设计方法,以在SCBF装置中获得最佳电网阴极结构。优化基于响应面方法(RSM)和完整的因子设计(FFD)也应用于提高优化的精度,并减少RSM应用中的实验迭代。采用有限元方法 - 通量校正传输(FEM-FCT)方法来计算离子电流。从优化模型,计算较高的离子电流,观察到更深的电位井。

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