• 제목/요약/키워드: 내비어-스톡스 방정식

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액체수소 제조를 위한 냉각튜브 내 유동장 해석 (Analysis on Fluid Dynamics in the Cooling Tube for Manufacture of Liquid Hydrogen)

  • 이대원;홍하이응우엔;나소노바 안나;오인환;김교선
    • 한국수소및신에너지학회논문집
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    • 제26권4호
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    • pp.301-307
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    • 2015
  • We present a study of hydrogen liquefaction using the CFD (Computational Fluid Dynamics) program. Liquid hydrogen has been evaluated as the best storage method because of high energy per unit mass than gas hydrogen, but efficient hydrogen liquefaction and storage are needed in order to apply actual industrial. In this study, we use the CFD program that apply navier-stokes equation. A hydrogen is cooled by heat transfer with the while passing gas hydrogen through Cu tube. We change diameter and flow rate and observe a change of the temperature and flow rate of gas hydrogen passing through Cu tube. As a result of, less flow rate and larger diameter are confirmed that liquefaction is more well. Ultimately, When we simulate the hydrogen liquefaction by using CFD program, and find optimum results, it is expected to contribute to the more effective and economical aspects such as time and cost.