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

  • 제35권2호
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  • Pages.146-151
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  • 2024
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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극저온 냉각 챔버 내 냉각 메커니즘 연구

Study on the Cooling Mechanism in a Cryogenic Cooling System

  • 이성우 (경상국립대학교 기계시스템공학과) ;
  • 나영상 (한국재료연구원 극한소재연구소 특수합금연구실) ;
  • 김영균 (한국재료연구원 극한소재연구소 특수합금연구실) ;
  • 전승민 (한국재료연구원 극한소재연구소 특수합금연구실) ;
  • 이준호 (한국재료연구원 극한소재연구소 특수합금연구실) ;
  • 최성웅 (경상국립대학교 기계시스템공학과)
  • SEONGWOO LEE (Department of Mechanical System Engineering, Gyeongsang National University) ;
  • YOUNGSANG NA (Department of Special Alloys, Extreme Materials Institute, Korea Institute of Materials Science) ;
  • YOUNGKYUN KIM (Department of Special Alloys, Extreme Materials Institute, Korea Institute of Materials Science) ;
  • SEUNGMIN JEON (Department of Special Alloys, Extreme Materials Institute, Korea Institute of Materials Science) ;
  • JUNHO LEE (Department of Special Alloys, Extreme Materials Institute, Korea Institute of Materials Science) ;
  • SUNGWOONG CHOI (Department of Mechanical System Engineering, Gyeongsang National University)
  • 투고 : 2024.02.19
  • 심사 : 2024.04.17
  • 발행 : 2024.04.30
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초록

The demand for research on materials with excellent cryogenic strength and ductility has been increasing, particularly for applications such as liquid hydrogen (20 K) storage tanks. To effectively utilize liquid hydrogen, a system capable of maintaining and operating at 20 K is essential. Therefore, preliminary research and verification of the cooling system are crucial. In this study, a heat transfer analysis was conducted on a cooling system to meet the cryogenic environment requirements for cryogenic hydrogen chamber, which are conducted at liquid helium temperatures (4 K). The cooling mechanism in a helium cooling system was examined using numerical analysis. The numerical cooling trends were compared with experimentally obtained cooling results. The good agreement between numerical and experimental results suggests that the numerical approach developed in this study is applicable over a wide range of cryogenic systems.

키워드

과제정보

본 연구는 산업통상자원부(MOTIE)와 한국에너지기술평가원(KETEP)의 지원을 받아 수행한 연구 과제입니다(No. 2022730000005A).

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