建立了中子管三电极结构的离子聚焦系统模型.利用计算机仿真技术对加速电压、加速间隙等影响束流形状的参数进行了分析.通过改变加速间隙、加速电压,得到了离子束聚焦位置和离子束在靶上分布面积的大量仿真数据,得出一些比较有价值的结论,这些结论对中子管加速系统的设计具有重要的参考价值.
Neutron tube three electrode structure model of ion focusing system was established.The computer simulation techniques have been used to simulate neutron tube in this paper.The process to analyse and calculate the acceleration voltage and acceleration gap of the neutron tube accelerator is based on CST analysis theory.Through a large number of simulating experiments data,The influence of acceleration gap and acceleration voltage on ion focus position and the distribution of the ion beam on the target area.That sums up some valuable conclusions shows important reference on Neutron tube to design of acceleration system.