한국가스학회지 (Journal of the Korean Institute of Gas)

  • 제28권4호
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  • Pages.30-42
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  • 2024
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  • 1226-8402(pISSN)
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  • 2713-6922(eISSN)
한국가스학회 (The Korean Institute of GAS)
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DOI QR Code

수소 연소기 시험용 수소연료 저장 및 공급설비에 대한 정량적 위험성 평가 : ALOHA와 e-CA 프로그램 해석결과를 바탕으로

Quantitative Risk Assessment on the Hydrogen Fuel Storage and Supply Facility for Hydrogen Combustor Test : Based on the Analysis Results of ALOHA and e-CA Program

  • 하진현 (인천대학교 안전공학과) ;
  • 박희경 (인천대학교 안전공학과) ;
  • 이민철 (인천대학교 소방방재연구센터/안전공학과)
  • Jin Hyeon Ha (Dept. of Safety Engineering, Incheon National University) ;
  • Hee Kyung Park (Dept. of Safety Engineering, Incheon National University) ;
  • Min Chul Lee (Fire Disaster Prevention Research Center, Incheon National University)
  • 투고 : 2024.09.23
  • 심사 : 2024.11.13
  • 발행 : 2024.12.31
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초록

본 연구에서는 수소 튜브 트레일러와 공급, 충전 배관 등 수소저장 및 취급설비의 위험성 파악을 위해 국내외 사고 피해영향범위 분석 프로그램인 ALOHA, e-CA를 이용하여 정량적 위험성평가를 진행하였다. 국내에 수소를 대량으로 이용하는 A 연구원을 대상으로 실제 계측 데이터를 기반으로 최악 및 대안의 시나리오를 수립하였고 인화성, 복사열, 과압의 위험요인에 대한 영향범위를 산출하였다. 또한 두 결과의 적절성을 교차 검증한 결과, 대부분의 시나리오에서 e-CA가 ALOHA에 비해 보수적인 결과를 도출하였다. 따라서 본 연구는 각 시나리오에 필요한 두 프로그램의 변수 값들의 공통점과 차이점을 명시하였고, 두 프로그램이 상이한 결과 값을 도출한 경위를 확인하기 위하여 공통된 변수 값들로 두 프로그램을 구동하여 근거를 분석하였다. 본 연구를 통해 수소의 누출 및 화재, 폭발의 피해영향범위를 도출하여 분석하고, 안전한 수소 저장 및 공급설비의 설계, 운영의 의사결정에 기여할 것으로 기대한다.

In this study, we conducted a quantitative risk assessment with ALOHA and e-CA, programs used globally to analyze accident impact ranges, to evaluate the risks associated with hydrogen storage facilities, including tube trailers, supply, and refueling pipelines. Based on actual measured data from Research Institute A, worst-case and alternative scenarios were established, and the impact ranges for hazards such as flammability, thermal radiation, and overpressure were calculated. The comparison of results from both programs confirmed the appropriateness of the assessments, showing e-CA's impact ranges to be more conservative than ALOHA's scenarios. This research delineates the commonalities and differences in the variables of each scenario, analyzing the reasons for discrepancies by running both programs with shared variables. This research is expected to assist in decision-making regarding the design and operation of safe hydrogen storage and supply facilities when calculating the impact range of hydrogen leaks, fires, and explosions.

키워드

과제정보

본 연구는 한국전력공사의 2022년 착수 기초연구 개발 과제 연구비에 의해 지원되었으며, 이에 감사를 드립니다. (과제번호 : R22XO02-06) 또한 이 논문은 2023년도 정부(산업통상자원부)의 재원으로 한국에너지기술평가원의 지원을 받아 수행된 연구임 (RS-2023-00270080, 수소터빈 연소기 시험평가 기술개발, 기여율 50%)

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