Fire Science and Engineering (한국화재소방학회논문지)

Korean Institute of Fire Science and Engineering (한국화재소방학회)
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Development of Walk-down Performance Procedures for Fire Modeling of Nuclear Power Plants based on Deterministic Fire Protection Requirements

결정론적 화재방호요건을 기반으로 한 원자력발전소 화재모델링 현장실사 수행절차 개발

  • Moon, Jongseol (Central Research Institute, Korea Hydro and Nuclear Power) ;
  • Lee, Jaiho (Central Research Institute, Korea Hydro and Nuclear Power)
  • 문종설 (한국수력원자력(주) 중앙연구원) ;
  • 이재호 (한국수력원자력(주) 중앙연구원)
  • Received : 2019.10.18
  • Accepted : 2019.11.11
  • Published : 2019.12.31
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Abstract

A walk-down procedure for fire modeling of nuclear power plants, based on deterministic fire protection requirements, was developed. The walk-down procedure includes checking the locations of safety shutdown equipment and cables that are not correctly indicated on drawings and identifying the existence and location of combustibles and ignition sources. In order to verify the performance of the walk-down procedure developed in this study, a sample of important equipment and cables were selected for hypothetical multiple spurious operation (MSO) scenarios. In addition, the hypothetical fire modeling scenarios were derived from the selected safe shutdown equipment and cables and an actual walk-down was conducted. The plant information collected through the walk-down was compared to the information obtained from the drawings, so that the collected information may be used as input values for the fire modeling.

본 연구에서는 결정론적 화재방호 요건을 기반으로 하는 원자력발전소 화재모델링 현장실사(Walk-down) 수행절차를 개발하였다. 원전 화재모델링 현장실사 수행절차는 도면에 정확히 표시되지 않은 안전정지 기기 및 케이블에 대한 위치를 파악하고, 가연물 및 점화원의 존재여부와 위치를 파악하는 과정을 포함한다. 본 연구에서 개발한 현장 실사 절차의 성능을 검증하기 위해서 가상의 다중오동작 시나리오에 대해 샘플 안전정지 중요기기 및 케이블을 선정하였다. 또한 선정된 안전정지 기기 및 케이블을 대상으로 가상의 화재모델링 시나리오를 도출하여 이에 대한 실제 현장실사를 수행하였다. 현장실사를 통해서 수집한 발전소 정보는 화재모델링을 위한 입력 값을 도출하는데 사용될 수 있도록 도면에서 얻은 정보와 비교·검토 되었다.

Keywords

References

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