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      액체수소용 초저온 고압 피스톤 펌프의 기밀성 향상에 관한 기초연구 = A Study on Air-tightness of High Pressure Liquid Hydrogen Pumping System at the Low Temperature

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      https://www.riss.kr/link?id=A104394678

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      다국어 초록 (Multilingual Abstract)

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      As an initial step to develop a liquid hydrogen pump of piston type operated under cryogenic and high pressure, leakage and piston head shape for the piston pump were discussed with temperature and pressure.
      As the results, the leakage depended on correlation among density, viscosity, clearance area by the low temperature.
      In order to reduce the leakage, it was found that the air-tightness can be improved by minimizing contact surface between piston and cylinder, and also increasing pressure in-cylinder can reduce piston clearance. Among the proposed piston shapes, D type piston shape had the most air-tightness. D type piston had smaller contact surface than other piston shape and easier expansion of cup shape by pressure. The leakage of D type piston shape was found about 7%, compared with A type piston shape. But it was required that analyze about vapor lock by friction and wear resistance.
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      As an initial step to develop a liquid hydrogen pump of piston type operated under cryogenic and high pressure, leakage and piston head shape for the piston pump were discussed with temperature and pressure. As the results, the leakage depended on cor...

      As an initial step to develop a liquid hydrogen pump of piston type operated under cryogenic and high pressure, leakage and piston head shape for the piston pump were discussed with temperature and pressure.
      As the results, the leakage depended on correlation among density, viscosity, clearance area by the low temperature.
      In order to reduce the leakage, it was found that the air-tightness can be improved by minimizing contact surface between piston and cylinder, and also increasing pressure in-cylinder can reduce piston clearance. Among the proposed piston shapes, D type piston shape had the most air-tightness. D type piston had smaller contact surface than other piston shape and easier expansion of cup shape by pressure. The leakage of D type piston shape was found about 7%, compared with A type piston shape. But it was required that analyze about vapor lock by friction and wear resistance.

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      참고문헌 (Reference)

      1 Gulielmo Ventura, "The Art of Cryogenics Low-Temperature Experimental Techniques" ELSEVIER 71-72, 2007

      2 S. Furuhama, "Study of Evaporation Loss of Liquid Hydrogen Storage Tank with LH2 Pump" 18 (18): 25-30, 1993

      3 K. Yamane, "Some Performance of Engine and Cooling System of LH2 Refrigerator VAN MUSASHI-9" 21 (21): 807-811, 1996

      4 Gunther Hartwig, "Polymer Properties at Room and Cryogenic Temperature" Plenum press 1994

      5 W. Peschka, "Liquid Hydrogen Punps for Automotive Application" 15 (15): 817-825, 1990

      6 Walter Peschka, "Liquid Hydrogen : Fuel of the Future" Springer-Verlag Wien 1992

      7 B. H. Kang, "Hydrogen Liquefaction and Liquid Hydrogen Storage Technologies" 2 (2): 44-51, 2000

      8 L'AIR LIQUIDE, "Gas Enxyxlopaedia, Volume 2" ELSEVIER 892-,

      9 K. Yamane, "A Study on the Structure of Liquid Hydrogen Pump" 17 (17): 24-30, 1992

      10 K. Yamane, "A Study on a Liquid Hydrogen Pump with a Self-clearance-adjustment Structure" 21 (21): 717-723, 1996

      1 Gulielmo Ventura, "The Art of Cryogenics Low-Temperature Experimental Techniques" ELSEVIER 71-72, 2007

      2 S. Furuhama, "Study of Evaporation Loss of Liquid Hydrogen Storage Tank with LH2 Pump" 18 (18): 25-30, 1993

      3 K. Yamane, "Some Performance of Engine and Cooling System of LH2 Refrigerator VAN MUSASHI-9" 21 (21): 807-811, 1996

      4 Gunther Hartwig, "Polymer Properties at Room and Cryogenic Temperature" Plenum press 1994

      5 W. Peschka, "Liquid Hydrogen Punps for Automotive Application" 15 (15): 817-825, 1990

      6 Walter Peschka, "Liquid Hydrogen : Fuel of the Future" Springer-Verlag Wien 1992

      7 B. H. Kang, "Hydrogen Liquefaction and Liquid Hydrogen Storage Technologies" 2 (2): 44-51, 2000

      8 L'AIR LIQUIDE, "Gas Enxyxlopaedia, Volume 2" ELSEVIER 892-,

      9 K. Yamane, "A Study on the Structure of Liquid Hydrogen Pump" 17 (17): 24-30, 1992

      10 K. Yamane, "A Study on a Liquid Hydrogen Pump with a Self-clearance-adjustment Structure" 21 (21): 717-723, 1996

      11 T. Nose, "A Study on Performance Improvement of Liquid Hydrogen Pump" 22 (22): 39-45, 1997

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      2015-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2011-01-01 평가 등재학술지 유지 (등재유지) KCI등재
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      2005-05-30 학술지등록 한글명 : 한국수소및신에너지학회논문집
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