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

  • 제34권6호
  • /
  • Pages.689-697
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  • 2023
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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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고압수소 밸브의 시동 특성에 관한 수치적 연구

A Numerical Study on the Opening Characteristics of High Pressure Hydrogen Valves

  • 김상민 ((주)현대케피코 R&D사업부) ;
  • 김진성 ((주)현대케피코 R&D사업부) ;
  • 조영준 ((주)현대케피코 R&D사업부) ;
  • 양시원 ((주)현대케피코 R&D사업부) ;
  • 신문성 ((주)현대케피코 R&D사업부)
  • SANGMIN KIM (Division of Research and Development, HYUNDAI KEFICO Corporation) ;
  • JINSUNG KIM (Division of Research and Development, HYUNDAI KEFICO Corporation) ;
  • YOUNGJUN CHO (Division of Research and Development, HYUNDAI KEFICO Corporation) ;
  • SIWON YANG (Division of Research and Development, HYUNDAI KEFICO Corporation) ;
  • MOONSUNG SHIN (Division of Research and Development, HYUNDAI KEFICO Corporation)
  • 투고 : 2023.09.25
  • 심사 : 2023.12.13
  • 발행 : 2023.12.30
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초록

The high-pressure hydrogen valve is intended to supply hydrogen charged at high pressure in the hydrogen tank to the fuel cell stack, which decompresses high-pressure hydrogen gas to low pressure and primarily limits the excessive flow. It consists of a pilot valve, a main valve, and a excessive flow valve to operate in a wide pressure range from 2 to 70 MPa of charging pressure. The opening characteristics of the valve were confirmed by computation fluid dynamics applying the moving grid technique. The behavior of the valve was predicted by predicting the force acting on the valve over time. In addition, the difference in behavior according to supply pressure was compared.

키워드

참고문헌

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