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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Analysis of Cool-down Operation of Liquid Hydrogen Tank

액체수소 저장탱크의 냉각 방법 분석

  • HWALONG YOU (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • BYUNGIL CHOI (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • KYUHYUNG DO (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • TAEHOON KIM (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • CHANGHYUN KIM (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • MINCHANG KIM (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials) ;
  • YONGSHIK HAN (Department of Energy Plant Technology, Innovative Energy Machinery Research Division, Korea Institute of Machinery & Materials)
  • 유화롱 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 최병일 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 도규형 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 김태훈 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 김창현 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 김민창 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실) ;
  • 한용식 (한국기계연구원 고효율에너지연구부 신에너지플랜트연구실)
  • Received : 2023.10.16
  • Accepted : 2023.11.20
  • Published : 2023.12.30
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Abstract

This study analyzes the cool-down process of liquid hydrogen storage tanks, which have advantages in terms of large-capacity transfer, storage, and utilization as hydrogen demand increases. A hydrogen liquefaction plant is selected for analysis and an efficient tank cooling method is sought by comparing the time required for the cool-down process with the gas consumption in connection with the gassing-up process required for the operation of the liquid hydrogen storage tank. The results of this study can be referred to in the operation process after the initial start-up and maintenance of the hydrogen liquefaction plant.

Keywords

Acknowledgement

본 연구는 국토교통부와 국토교통과학기술진흥원의 2023년 상용급 액체수소플랜트 핵심기술 연구개발사업(RS-2019-KA151617)과 한국기계연구원에서 수행 중인 2023년 액체수소공급시스템 핵심 기자재개발사업(NK243B)의 연구비 지원에 의해 수행되었습니다.

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