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This paper aims to explore the application of the F-C curve in nuclear safety regulation, with a particular focus on its role in risk assessment and safety supervision of High Temperature Gas-Cooled Reactors (HTGRs). The paper first outlines the theoretical basis of the F-C curve and its importance in nuclear safety regulation, and then analyzes the development status of the F-C curve internationally, including the F-C curves recommended by the US NUREG-1860, the Next Generation Nuclear Plant (NGNP), and the UK Health and Safety Executive (HSE). By comparing these curves, the paper discusses their application in the design, construction, and operation phases of high-temperature gas-cooled reactors and proposes an F-C curve suitable for HTGRs. This curve takes into account the unique safety characteristics and risk profiles of HTGRs, aiming to enhance risk assessment and safety supervision at various stages of the HTGR lifecycle. The findings provide a new perspective and tool for the safety regulation of HTGRs.

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Theoretical Investigation of F-C Curves for Non-light Water Reactors and Comparison with Probabilistic Safety Objectives of HTGRs

  • 会议论文

  • 发表日期：

    2026年

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  • Jie He,
  • Guofeng Tan,
  • Jin Shi,
  • Ning Huang,
  • Zhende Zhou,
  • Ruonan Guo,
  • Qin Zhou,
  • Zuxuan Xu,
  • Yujia Hong,
  • Xingwang Tang,
  • Yangcong Dai,
  • Chao Li,
  • Junjie Chen,
  • Sanping Xiao

摘要

This paper aims to explore the application of the F-C curve in nuclear safety regulation, with a particular focus on its role in risk assessment and safety supervision of High Temperature Gas-Cooled Reactors (HTGRs). The paper first outlines the theoretical basis of the F-C curve and its importance in nuclear safety regulation, and then analyzes the development status of the F-C curve internationally, including the F-C curves recommended by the US NUREG-1860, the Next Generation Nuclear Plant (NGNP), and the UK Health and Safety Executive (HSE). By comparing these curves, the paper discusses their application in the design, construction, and operation phases of high-temperature gas-cooled reactors and proposes an F-C curve suitable for HTGRs. This curve takes into account the unique safety characteristics and risk profiles of HTGRs, aiming to enhance risk assessment and safety supervision at various stages of the HTGR lifecycle. The findings provide a new perspective and tool for the safety regulation of HTGRs.