基于大气扩散模型的鲁普尔核电站场址辐射安全分析

Q4 Medicine

International Journal of Low Radiation Pub Date : 2020-01-01 DOI:10.1504/IJLR.2020.10036123

A. Hossain, S. Karim, Maruf H Khan, Faraji Samiul Haque Bijoy

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引用次数: 0

摘要

本研究的目的是利用大气扩散模型，对正在建设中的鲁普尔核电站(NPP)因假想事故而向大气释放放射性核素的剂量进行估计。遵循nuregg -1228，还使用MATLAB开发了通用源术语代码。灵敏度分析的基础是接收的总有效剂量当量(TEDE)对应于不确定输入参数的变化。在稳定条件下，随着风速的变化，灵敏度更高。不同大气稳定性等级下，鲁普尔核电站不同顺风距离下Xe-133的TEDE剂量估计结果。稳定性A级最大距离为0.7 km时的最大TEDE值为6.400 e -06 Sv，不稳定B级最大TEDE值为5.70E-05 Sv。

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Radiological safety analysis of Rooppur Nuclear Power Plant site using atmospheric dispersion model

The purpose of this work is to estimate dose received in case of release of radionuclide into the atmosphere from the under-construction Rooppur Nuclear power plant (NPP) due to a hypothetical accident with the help of an atmospheric dispersion model. A generic source term code has also been developed using MATLAB by following NUREG-1228. The sensitivity analysis is based on variation of the received total effective dose equivalent (TEDE) corresponding to the variation of the uncertain input parameters. The sensitivity was seen to be higher at stable conditions with the change of high wind speed. Estimated TEDE dose results for Xe-133 at different downwind distances from Rooppur NPP site in different atmospheric stability classes. The maximum TEDE of 6.40E-06 Sv was estimated at maximum distance of 0.7 km from the site for stability class A, whereas, in case of unstable stability class B, it was 5.70E-05.

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来源期刊

International Journal of Low Radiation Environmental Science-Health, Toxicology and Mutagenesis

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期刊介绍： The IJLR is a peer-reviewed journal dedicated to the publication of research articles, review papers and technical notes in all domains related to low-dose radiation, among which are the biological and health effects in humans and the biota, in vitro and in vivo research on low radiation effects, regulatory and policy aspects, risk estimation and public perception.