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格尔木至拉萨快车2017年宇宙辐射受照剂量的数值仿真

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摘要 目的:计算2017年从格尔木至拉萨乘火车单程受到的宇宙辐射剂量。方法:以仿真数据建立的地球宇宙辐射剂量数据库为基础,根据在列车行进过程中各区段的海拔、纬度、经度、日期和列车运行时间等信息,计算乘务人员单程受到的辐射剂量。结果:在计算过的26个测量点,最大剂量率0.3941μSV/h,最小剂量率0.1258μSV/h,列车单次运行过程中所受辐射平均剂量为4.172μSV,年均剂量为1.52mSV。结论:2017年从格尔木至拉萨乘火车所受辐射剂量在国际、国标所限范围之内。
作者 张旭 冯英进
出处 《科技传播》 2020年第15期157-158,165,共3页 Public Communication of Science & Technology
基金 国家自然科学基金资助项目“民航飞行高度宇宙辐射环境评估方法的研究”(项目编号:60472119)。
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