Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Analyzing Effective Factors on Hydrogen Release Based on Response Surface Method and Analysis of Variance

반응표면법과 ANOVA 기반의 수소 누출에 대한 유효인자 분석

  • JUNSEO LEE (Center for Process Innovation Simulation, Chonnam National University) ;
  • SEHYEON OH (School of Chemical Engineering, Chonnam National University) ;
  • SEUNGHYO AN (School of Chemical Engineering, Chonnam National University) ;
  • EUNHEE KIM (School of Chemical Engineering, Chonnam National University) ;
  • BYUNGCHOL MA (Center for Process Innovation Simulation, Chonnam National University)
  • 이준서 (전남대학교 공정혁신 시뮬레이션센터) ;
  • 오세현 (전남대학교 화학공학부) ;
  • 안승효 (전남대학교 화학공학부) ;
  • 김은희 (전남대학교 화학공학부) ;
  • 마병철 (전남대학교 공정혁신 시뮬레이션센터)
  • Received : 2023.10.11
  • Accepted : 2023.12.26
  • Published : 2023.12.30
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Abstract

While hydrogen is widely used, it has a low minimum ignition energy, raising safety concerns when using it. This research studied which parameters are the key variables in the hydrogen release and diffusion. These parameters were divided into six process variables in the initial release and two environmental variables in the dispersion. One hundred and twenty cases were selected through design of experiment, and the end-point in each case were analyzed using PHAST. Afterwards, an end-point prediction model was developed using RSM and ANOVA, and the impact of each variable on the endpoint was analyzed. As a result, the influence of eight variables was graded. The nozzle diameter had the greatest influence on the end-point, while the pipe roughness coefficient had no effect on the end-point. It is expected that these results will be used as basic data to improve safety across all fields of hydrogen handling facilities.

Keywords

Acknowledgement

이 연구는 2023년도 환경부(한국화학물질관리협회) 재원으로 화학물질 안전관리 특성화대학원 사업의 지원을 받아 수행된 연구입니다(B0080524003046).

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