| 王易君,胡宇鹏,鲁亮,向延华,张怡晨,朱长春,唐显,胡绍全.同位素热源热冲击入水试验方法[J].装备环境工程,2021,18(5):49-54. WANG Yi-jun,HU Yu-peng,LU Liang,XIANG Yan-hua,ZHANG Yi-chen,ZHU Chang-chun,TANG Xian,HU Shao-quan.Analyiszs and Design the Thermal Shock Test of Radioisotope Heater Unit[J].Equipment Environmental Engineering,2021,18(5):49-54. |
| 同位素热源热冲击入水试验方法 |
| Analyiszs and Design the Thermal Shock Test of Radioisotope Heater Unit |
| 投稿时间：2021-03-29 修订日期：2021-04-11 |
| DOI：10.7643/issn.1672-9242.2021.05.008 |
| 中文关键词: 深空探测 同位素热源 核安全 热冲击 温度冲击 入水 试验方法中图分类号:TL76 文献标识码:A 文章编号:1672-9242(2021)05-0049-06 |
| 英文关键词:deep space exploration radioisotope heater unit (RHU) nuclear safety thermal shock temperature shock water entry test method |
| 基金项目:国家自然科学基金(51706213)；民用航天技术预先研究项目(D020216) |
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| Author | Institution |
| WANG Yi-jun | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| HU Yu-peng | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| LU Liang | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| XIANG Yan-hua | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| ZHANG Yi-chen | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| ZHU Chang-chun | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
| TANG Xian | China Institute of Atomic Energy, Beijing 102413, China |
| HU Shao-quan | Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, China |
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| 中文摘要: |
| 目的 针对空间同位素热源异常事故场景入水过程的热冲击安全性问题，研究热冲击入水试验方法。方法 通过对同位素热源入水事故场景分析，基于热边界等效、热量等效原则，研究空间同位素热源热冲击入水的试验条件和方法，明确试验样品的加载温度、人工海水体积、浓度、温度以及试验转移时间等，提出热冲击入水试验流程和试验装置要求。结果 样品的加载温度为空间同位素热源的运行温度，人工海水需要完全淹没样品，且体积在样品的20倍以上，人工海水的温度以10~30 ℃为宜，热冲击入水试验样品转移时间小于1 min。结论 建立的热冲击入水方法可对同位素热源的安全性评估提供支撑，也可供其他产品的热冲击入水评估提供参考。 |
| 英文摘要: |
| The purpose is to investigate the safety of Radioisotope Heater Unit (RHU) when it fall into the sea and to study the methods of thermal shock test. First, some space application accidents is conducted. Then, the condition and the methods of thermal shock test are analyzed by the principle of thermal boundary equivalent and thermal equivalent. The condition of thermal shock test include the heating temperature, the volumes and the temperature of sea water, the transfer time ans so on. Finally, the test procedures is discussed. The thermal shock test conditions are identified:the heating temperature of the sample is (1100±10) ℃, the temperature of the artificial seawater is 10~30 ℃, and the volumes of artificial seawater is more than 20 times compared to the sample, the transfer time of the sample through the heating furnace to the artificial seawater is less than 1 min. The technology of the thermal shock test for RHU is developed to provide the techniques support for risk assessment of RHU. |
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