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수심 2000m 용 두꺼운 내압용기의 설계, 구조해석과 내압시험

The Design, Structural Analysis and High Pressure Chamber Test of a Thick Pressure Cylinder for 2000 m Water Depth

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참고문헌

키워드

주제분류조선공학

초록

This paper aims to demonstrate the design, structure analysis, and hydrostatic pressure test of the cylinder used in 2000m water depth. The cylinder was designed in accordance with ASME pressure vessel design rule. The 1.5 times safety factor required by the general rule was applied to the design of the cylinder, because ASME rule is so excessive that it is not proper to apply to the hydrostatic pressure test. The finite element analysis was conducted for the cylinder. The cylinder was produced according to the design. The hydrostatic pressure test was conducted at the hyperbaric chamber in KRISO. The results of finite element analysis(FEM) and those of the hydrostatic pressure test were almost the same, which showed that the design was exact and reliable.

Abstract

This paper aims to demonstrate the design, structure analysis, and hydrostatic pressure test of the cylinder used in 2000m water depth. The cylinder was designed in accordance with ASME pressure vessel design rule. The 1.5 times safety factor required by the general rule was applied to the design of the cylinder, because ASME rule is so excessive that it is not proper to apply to the hydrostatic pressure test. The finite element analysis was conducted for the cylinder. The cylinder was produced according to the design. The hydrostatic pressure test was conducted at the hyperbaric chamber in KRISO. The results of finite element analysis(FEM) and those of the hydrostatic pressure test were almost the same, which showed that the design was exact and reliable.

참고문헌 (12)

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  2. Consideration of External Pressure in the Design and Pressure Rating of Subsea Equipment, "American Petroleum Institute", API, ~, pp.Technical Report 17TR12 (2014)
  3. ASME Boiler and Pressure Vessel Code, "Section 8, Division 1. Rules for Construction of Pressure Vessels", ASME, ~ (2010)
  4. Cherian R., "Buckling Analysis of Undewater Cylindrical Shells Subjected to External Pressure", International Journal of Innovative Research in Advanced Eng, 1(10), pp.8~14 (2014)
  5. De Paor, C., "Prediction of vacuum-induced buckling pressures of thin-walled cylinders", Thin-Walled Structures, 55, pp.1~10 (2012)
  6. 정태환, "심해용 무인잠수정의 내압용기 구조설계", 대한조선학회 논문집, 41(6), pp.140~146 (2004), 대한조선학회
  7. 정태환, "신뢰성 해석을 이용한 심해용 내압용기의 설계 최적화", 한국해양공학회지, 19(2), pp.40~46 (2005), 한국해양공학회
  8. 정태환, "A Study on the Structural Design and Analysis of a Deep-sea Unmanned Underwater Vehicle", 한국해양공학회지, 20(3), pp.7~14 (2006), 한국해양공학회
  9. 정태환, "내압용기 모형의 설계, 제작 및 압력시험에 관한 연구", 한국해양공학회지, 21(6), pp.101~106 (2007), 한국해양공학회
  10. "MIL-STD-810G, Department of Defense Test Method Standard Part Two-Laboratory Test Methods 512.5Immersion 2.3.2.6", U.S. Army Developmental Test Command, ~ (2014)
  11. Shin, J.Y., "Collapse Analysis of Deep Sea Pressure Vessel", Journal of Ocean Engineering and Technology, 13(4), pp.82~97 (1999)
  12. 박두환, "6000계열 알루미늄 합금의 극저온 기계적 거동 연구", 한국해양공학회지, 29(1), pp.85~93 (2015), 한국해양공학회

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