Journal of the Korean Institute of Gas (한국가스학회지)

The Korean Institute of GAS (한국가스학회)
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A Development of Consequence Analysis System for Combustible Materials Release Events Based on HTML5 Web

HTML5 웹 기반 가연성 물질 누출 피해영향평가 시스템 개발

  • Lee, Ugwiyeon (Dept. of Disaster Management, Korea Gas Safety Corporation) ;
  • Ji, Hyunmin (Dept. of System Research, Institute of Gas Safety R&D) ;
  • Oh, Jeongseok (Dept. of System Research, Institute of Gas Safety R&D) ;
  • Cho, Wansu (Dept. of Disaster Management, Korea Gas Safety Corporation)
  • 이우귀연 (한국가스안전공사 재난관리처) ;
  • 지현민 (가스안전연구원 시스템연구부) ;
  • 오정석 (가스안전연구원 시스템연구부) ;
  • 조완수 (한국가스안전공사 재난관리처)
  • Received : 2019.11.22
  • Accepted : 2019.12.21
  • Published : 2019.12.31
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Abstract

Korea Gas Safety Corporation is developing consequence analysis system for combustible materials release events to enhance risk assessment technology and its efficiency. Unlike general consequence analysis programs, the final consequence area was implemented through ETA analysis based on API-581 standard, and a convenient user interface was constructed based on HTML5-based responsive web technology. In addition, a phase equilibrium module using third-order state equations (such as Peng-Robinson, SRK, and RK) and fugecity was implemented to analyze the mixture quality. Also. using the consequence analysis algorithm introduced in CCPS books and TNO Yellow Book, we developed material leak analysis module, fireball, pool fire, jet fire, flash fire, and vapor cloud explosion consequence assessment module. In addition, the conditions for calculating the safety distance were prepared with using the control values in the EIGA standard, PAC, and Bevi Reference Book.

한국가스안전공사는 진단 기반기술 국산화와 진단 역량 강화를 위해 자체적인 피해영향평가 시스템을 구축하고 있다. 유사 프로그램인 DNV PHAST나 TNO EFFECTS와 달리, API-581 기준을 근간한 ETA 분석을 통해 최종 피해영역 산출 기법을 구현하였으며, HTML5 기반 차세대 웹 기술을 기반으로 편리한 사용자 인터페이스를 구축하였다. 또한, 혼합물질 분석이 가능하도록 3차 상태방정식(Peng-Robinson, SRK, RK)과 퓨게시티를 활용한 상평형 모듈이 구현되었고, 공기보다 무거운 가스에 대한 확산 분석을 위해 SLAB Dispersion 알고리즘을 적용하였다. CCPS와 TNO Yellow Book에서 소개된 피해영향평가 알고리즘을 채용하여 누출분석 모듈, Fireball, Pool Fire, Jet Fire, Flash Fire, Vapor Cloud Explosion 영향 평가 모듈을 개발하였다. 그 외 EIGA 기준, PAC 기준 농도, Bevi Reference Book 등에서 제시된 기준 값들을 활용하여 안전거리 산출 조건을 마련하였다. 현재 전체 계산 모듈의 알고리즘 구현은 완료되었으며, 기본적인 사용자인터페이스 구축까지 완료되었다. 향후, 사용자 인터페이스 보완과 더불어, 모듈 각각에 대한 개별적인 검증과 동일한 사고 시나리오에 대한 유사 프로그램 구동 결과를 비교하여 전체 시스템의 정확도를 보완할 예정이다.

Keywords

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