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The ultimate response guideline simulation and analysis by using RELAP5/SNAP for Lungmen ABWR nuclear power plant under Fukushima-like condition
Conference paper

The ultimate response guideline simulation and analysis by using RELAP5/SNAP for Lungmen ABWR nuclear power plant under Fukushima-like condition

Jong-Rong Wang, Wen-Shu Huang, Shao-Wen Chen, Chunkuan Shih, Yuh-Ming Ferng, Show-Chyuan Chiang and Tzu-Yao Yu
2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017 - A New Paradigm in Nuclear Power Safety, Proceedings
2017

Abstract

Energy Engineering and Power Technology Nuclear Energy and Engineering
In this research, the RELAP5/SNAP model of Lungmen ABWR nuclear power plant (NPP) was established for the study of URG (ultimate response guideline). The depressurization/low pressure water injection of the reactor and the venting of containment are the main actions of URG. This research focuses to assess the URG utility of Lunemgn NPP under Fukushima-like conditions. There are two steps in this study. The first step is the establishment of Lungmen NPP RELAP5/SNAP model using the system and operating data, startup tests reports and FSAR of Lungmen NPP. The second step is the URG simulation and analysis under Fukushima-like conditions by using the above RELAP5/SNAP model. In this step, the no URG case was also performed to evaluate the URG effectiveness of Lungmen NPP. According to RELAP5 results, the URG can keep the peak cladding temperature (PCT) below the failure criteria 1088.7 K under Fukushima-like conditions. It indicates that Lungmen NPP can be controlled in a safe situation.

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