| 载有钚-238放射源航天器发射事故放射性气溶胶高斯弥散模型分析 |
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| 引用本文： | 彭慧,姜文华,李雪琴,王晓涛,唐显,罗志福.载有钚-238放射源航天器发射事故放射性气溶胶高斯弥散模型分析[J].原子能科学技术,2017,51(3):572-576. |
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| 作者姓名： | 彭慧 姜文华 李雪琴 王晓涛 唐显 罗志福 |
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| 作者单位： | 1.中国原子能科学研究院，北京102413；2.环境保护部 核与辐射安全中心，北京100082 |
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| 摘 要： | 为了评估航天器发射事故中钚-238放射性气溶胶的影响,本文运用高斯弥散模型,计算了事故释放点周围人员受照的有效剂量、可吸入气溶胶的浓度和地面沉积浓度。计算结果表明,不同的气溶胶弥散状态所导致的放射性物质污染区域和范围有所区别。该结果将为发射事故的快速辐射应急响应提供依据。
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| 关 键 词： | 钚-238气溶胶 发射事故 弥散状态 |
Analysis of Plutonium-238 Aerosol Gaussian Dispersal Model in Spacecraft Launch Accident |
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| PENG Hui,JIANG Wen-hua,LI Xue-qin,WANG Xiao-tao,TANG Xian,LUO Zhi-fu.Analysis of Plutonium-238 Aerosol Gaussian Dispersal Model in Spacecraft Launch Accident[J].Atomic Energy Science and Technology,2017,51(3):572-576. |
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| Authors: | PENG Hui JIANG Wen-hua LI Xue-qin WANG Xiao-tao TANG Xian LUO Zhi-fu |
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| Affiliation: | 1.China Institute of Atomic Energy, Beijing 102413, China 2.Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China |
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| Abstract: | In order to evaluate the plutonium-238 aerosol pollution consequence in space-craft launch accident , the Gaussian dispersal model was used to calculate the total effective dose of exposure staff ,respirable aerosol concentration and ground deposition concentration around release point of the accident .The results show that the area and extent of radioactive contamination are different due to different aerosol dispersal states . The results will provide the basis for the rapid radiation emergency response in the launch accident . |
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| Keywords: | plutonium-238 aerosol launch accident dispersal state |
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