福岛核事故辐射泄漏影响因素的关联度对比分析  

Comparison analysis of the influencing factors of radiation leakage in Fukushima nuclear accident

作　　者：王泽雷[1] 周涛[1] 樊昱楠[1] 汝小龙[1] 

机构地区：[1]华北电力大学核热工安全与标准化研究所,北京102206

出　　处：《可再生能源》2012年第5期105-108,共4页Renewable Energy Resources

基　　金：北京市自然基金项目(3092016);教育部博士点基金项目(200800791005)

摘　　要：研究各个因素对核辐射泄漏的影响程度,对于控制核辐射泄漏、防止核辐射扩散有重要价值。运用多元线性回归分析方法和灰色理论中斜率关联度分析方法,对日本福岛核事故中辐射泄漏的影响因素进行分析。以福岛第一核电站厂区西门监测点辐射剂量值为对照序列,对厂区西门辐射剂量与受损的一号机组堆内水位和压力进行影响程度分析。选择一号机组内压力值、水位值为相关参数,计算得到各个参数与厂区西门辐射剂量的关联度或权重值。将两种方法的计算结果进行比较,结果一致。考虑到基于灰色理论的斜率关联度法可以在源数据缺少完整性与连续性时使用,因此在核辐射泄漏影响因素研究中,这是一种值得发展的新方法。The study on the influencing factors of radiation leakage is important to control radiation leakage and prevent the radiation diffusion.Multiple linear regression analysis and slop correlation degree analysis based on grey theory are used here.The radiation dose in the west gate of Fukushima Daiichi nuclear plant is considered as the contrast sequence,studying on the degree of correlation between the radiation dose in west gate and the damaged nuclear power unit which is radioactive source.And the parameters of the damaged unit such as pressure and water level are considered as the contrast parameter.The correlation degree and weights of the factors can be got by the two methods and the two kinds of calculated results are consistent.Since slope correlation degree analysis can be used in the situation of less and discontinuous data,it is a new method of worth developing in the study on the influencing factors of radiation leakage.

关 键 词：辐射剂量 灰斜率 关联度 扩散 

分 类 号：TL732[核科学技术—辐射防护及环境保护]