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스트레인 게이지를 이용한 C-type LNG Mock-up 탱크 내조 실 변형 거동 측정

Measurement of Real Deformation Behavior in C-type Lng Mock-up Tank using Strain Gage

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주제분류해양공학

초록

A C-type LNG mock-up tank was constructed to evaluate the durability of the tank and its structural safety. An experimental strain analysis system equipped with strain gages was designed to investigate the structural behavior of the inner tank at a high hydraulic pressure. In addition, the insulation used in the space between the inner tank and outer tank had a compressive strength and the inner tank thickness of the cylindrical shell and hemisphere was 4.0 mm, which was designed to be thinner than the existing rules. The strains on the inner tank were measured with increasing pressure, and these measurements were compared and analyzed at the strain gage attachment points.

Abstract

A C-type LNG mock-up tank was constructed to evaluate the durability of the tank and its structural safety. An experimental strain analysis system equipped with strain gages was designed to investigate the structural behavior of the inner tank at a high hydraulic pressure. In addition, the insulation used in the space between the inner tank and outer tank had a compressive strength and the inner tank thickness of the cylindrical shell and hemisphere was 4.0 mm, which was designed to be thinner than the existing rules. The strains on the inner tank were measured with increasing pressure, and these measurements were compared and analyzed at the strain gage attachment points.

참고문헌 (15)

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  9. 김태우, "LNG 연료 추진선의 연료 탱크로서 탱크컨테이너의 적용성 연구 및 구조설계", 대한조선학회 논문집, 49(6), pp.504~511 (2012), 대한조선학회
  10. Kim, Y. K, "The Measurement of Real Deformation Behavior in Pilot LNG Storage Tank Membrane by using Strain Gage", Proceedings of the Korean Society of Mechanical Engineers Conference, pp.108~113 (2004)
  11. Kim, Y. K, "The Measurement of Membrane Deformation Behavior in Kogas Pilot LNG Storage Tank by the use of Mechanical", Electrical Sensor(Ⅰ), 2003, 159~164
  12. Kim, Y. K, "Construction of KOGAS Closed Mock-up tank for LNG Carrier application", Proceedings of the Korean Institute of Gas Autumn Conference, pp.36~39 (2010)
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  14. 이장현, "LNG 화물창 방열재 균열에 따른 액화천연가스의 확산 및 온도 예측을 위한 수치 모델", 한국해양공학회지, 28(6), pp.517~526 (2014), 한국해양공학회
  15. 임상식, "소형 압력 용기의 변형 및 파열 경향에 대한 연구", 에너지공학, 23(3), pp.146~149 (2014), 한국에너지학회

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