Evaluation of Emergency Response Measures for the LOCA of A Marine Reactor

Yang Zou, Fang Zhao (), Shoulong Xu () and Shuliang Zou
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Yang Zou: China National Nuclear Corporation, Beijing 100822, China
Fang Zhao: School of Resource Environment and Safety Engineering, University of South China, Hengyang 421001, China
Shoulong Xu: School of Resource Environment and Safety Engineering, University of South China, Hengyang 421001, China
Shuliang Zou: School of Resource Environment and Safety Engineering, University of South China, Hengyang 421001, China

Sustainability, 2022, vol. 14, issue 21, 1-14

Abstract: In this study, a technical index system for nuclear accident emergency response measures was established and comprehensively evaluated by studying the impact of time, ventilation speed, and leakage speed on the radiation consequences after a loss of coolant accident (LOCA) in a marine reactor. The weight of each index was calculated by the analytic hierarchy process (AHP), and the weight of the radiation protection measure in the second-level index emergency measure was 0.625, accounting for the maximum proportion. The weights of improving radionuclide detection technology in chambers, improving detection capability, and improving the diagnosis efficiency of radiation damage in the three-level indicator emergency measures were 0.4442, 0.4384, and 0.4521, respectively, accounting for the maximum proportions. The fuzzy comprehensive evaluation method was used to quantify and comprehensively evaluate the index system of emergency measures. The quantitative evaluation result was 82.8 points, indicating that the evaluation result was adequate. Therefore, the nuclear emergency response measure based on the radiation consequences of a marine reactor LOCA is reasonable and feasible. It provides valuable measures and practical guidance for the emergency response of a marine reactor LOCA, and dramatically reduces the harm of radiation to staff and the environment.

Keywords: emergency response measures; radiation consequences; analytic hierarchy process; fuzzy comprehensive evaluation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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