Frontiers in Energy Research (Jan 2023)

Methodology for updating GO-FLOW model to handle scenario changes in nuclear power plants

  • Dai Xinyu,
  • Yang Ming,
  • Yang Ming,
  • Wang Jipu,
  • Xu Zhihui,
  • Xu Zhihui,
  • Wen Hanguan

DOI
https://doi.org/10.3389/fenrg.2022.1034835
Journal volume & issue
Vol. 10

Abstract

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The design of a nuclear power plant is proved to be safe enough in various hypothetical operation scenarios after strict safety assessment. One of the important tasks of operational risk management in a nuclear power plant is to evaluate whether any configuration change of the nuclear power plant can still achieve its expected safety and economic goals. This paper proposes a system reliability modeling and analysis method based on two-layers hierarchical GO-FLOW model. By flexibly adjusting the parameters of a GO-FLOW model, the model can adapt to the changes of success criteria and various configuration of the modeled system, thus avoiding the extra workload brought by re-modeling and improving the efficiency of risk management in nuclear power plants.

Keywords