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空间同位素热/电源安全性技术指标体系框架研究
胡文军1, 刘继忠2, 唐玉华2, 陈军红1, 张玮2, 张哲2, 李上明1, 胡绍全1
1.中国工程物理研究院 总体工程研究所,绵阳 621900;2.探月与航天工程中心,北京 100084
摘要:
基于我国空间同位素热/电源使用环境特点,借鉴国外空间同热/电源安全认证的研究成果,通过对空间同位素热/电源应用环境剖面的分析,开展了空间同位素热/电源安全技术指标体系框架研究,建立了覆盖同位素热/电源产品研制、地面贮存/运输、发射准备、发射、在轨运行及废弃处置等全生命周期的正常和事故环境下的安全性技术指标体系,提出四大类型29项可考核技术指标,可作为空间同位素热/电源研制和安全性使用评价工作的主要依据,为解决我国使用空间同位素热/电源缺乏安全认证体系和安全性验证技术指标问题提供参考。
关键词:  空间同位素热/电源  深空探测  安全性  技术指标体系  任务剖面
DOI:10.15982/j.issn.2095-7777.2020.20190911001
分类号:V41;Tl99
基金项目:民用航天技术预先研究资助项目(D020216)
Study on Technical Index System and Framework of Safety Standards for RHU and RTG
HU Wenjun1, LIU Jizhong2, TANG Yuhua2, CHEN Junhong1, ZHNAG Wei2, ZHANG Zhe2, LI Shangming1, HU Shaoquan1
1.Institute of Systems Engineering,China Academy of Engineering Physics,Mianyang 621999,China;2.Lunar Exploration and Space Engineering Center,Beijing 100037,China
Abstract:
Based on the application environment for 238PuO2 radioisotope heat unit(RHU) and radioisotope thermoelectric generator(RTG) in china, The technical index system of safety for evaluating the safety for RHU/RTG is studied drawing on the safety verification of RHU/RTG in foreign countries. The framework of technical index system for the safety standards are propounded that includes the normal and unexpected emergency conditions of full life circle for the RHU and RTG, such as design and manufacture,stockpile and transportation on the ground, preparing for launch, launch, in-orbit operation waste disposal and so on. The technical index system includes 29 items that can be used as the reference in developing and assessing of safetyin-use about the Pu-238 radioisotope heat unit or radioisotope thermoelectric generator, solving the problem of lacking the safety certification system and technical index of safety verification for the use of space RHU/RTG in China.
Key words:  Radioisotope Heat Unit (RHU)/Radioisotope Thermoelectric Generator (RTG)  deep space exploration  safety  technology index system  mission profile