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JAERI10A离子源体积产生效率数值优化
Numerical optimization of volume production efficiency of the JAERI 10 A ion source
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摘要: 阐述了拥有自主知识产权的粒子模拟一蒙特卡罗算法，采用该算法数值研究了JAERI10A多峰离子源放电特性，并分析主要放电参数（气压、放电电极位置、过滤磁场大小、放电电压等）对体积产生率的影响．模拟结果显示：为了得到高体积负氢离子产量，过滤磁场不宜太大，放电电压不宜太小，而应该适当选取过滤磁场和放电电压，主要通过同时调节气压和放电位置来实现离子源优化．
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关键词:
- JAERI /
- IOA多峰离子源，体积产生，粒子模拟．蒙特卡罗
Abstract: In this paper, the particle-in-cell/Monte Carlo method simulation algorithm with independent intellectual property is described in-depth, and discharge properties of the JAERI 10 A multicusp ion source are investigated by using the algorithm. The effects of discharge parameters (such as air pressure, discharge electrode position, magnitute of the filter magnetic field, discharge voltage, etc) on volume production efficiency are analyzed. The results show that in order to obtain high volume production of negative hydrogen ions, filter magnetic field should not be too large, and the discharge voltage should not be too small, but the filter magnetic field and discharge voltage should be appropriately selected, and primarily regulating air pressure and discharge location simultaneously can optimize the ion source. -
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