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大气中子实时计算模式

陈善强 刘四清 陈东 林瑞淋 师立勤 曹勇

陈善强, 刘四清, 陈东, 林瑞淋, 师立勤, 曹勇. 大气中子实时计算模式[J]. 空间科学学报, 2019, 39(3): 342-348. doi: 10.11728/cjss2019.03.342
引用本文: 陈善强, 刘四清, 陈东, 林瑞淋, 师立勤, 曹勇. 大气中子实时计算模式[J]. 空间科学学报, 2019, 39(3): 342-348. doi: 10.11728/cjss2019.03.342
CHEN Shanqiang, LIU Siqing, CHEN Dong, LIN Ruilin, SHI Liqin, CAO Yong. A Model for Real-time Calculation of the Atmospheric Neutronormalsize[J]. Chinese Journal of Space Science, 2019, 39(3): 342-348. doi: 10.11728/cjss2019.03.342
Citation: CHEN Shanqiang, LIU Siqing, CHEN Dong, LIN Ruilin, SHI Liqin, CAO Yong. A Model for Real-time Calculation of the Atmospheric Neutronormalsize[J]. Chinese Journal of Space Science, 2019, 39(3): 342-348. doi: 10.11728/cjss2019.03.342

大气中子实时计算模式

doi: 10.11728/cjss2019.03.342
基金项目: 

青年科学基金项目(75035A050)和深圳科技计划项目(JCYJ20160817172025986)共同资助

详细信息
  • 中图分类号: V520;O242

A Model for Real-time Calculation of the Atmospheric Neutronormalsize

  • 摘要: 为实时评估0~100km高度范围内的大气中子全球分布,对宇宙线在地磁场和大气中的传输过程进行了分析.利用蒙特卡罗方法工具包Geant4,预先计算不同能量的粒子在大气层中产生的次级粒子能谱分布,形成大气次级粒子数据库,并与相关模型进行对比,验证了该数据库的有效性和可靠性.以实测或预报的空间环境参数作为输入,计算同步轨道银河宇宙线和太阳质子事件能谱以及100km高度上的地磁垂直截止刚度,最终得到大气层顶上的粒子能谱.通过对大气次级粒子数据库的线性插值,实现1h分辨率的大气中子能谱和辐射剂量全球分布的实时计算.

     

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出版历程
  • 收稿日期:  2018-06-12
  • 修回日期:  2019-01-07
  • 刊出日期:  2019-05-15

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