멤브레인 LNG 선박용 강화 폴리우레탄폼의 극저온 거동 연구
Study on Cryogenic Behavior of Reinforced Polyurethane Foam for Membrane Type LNG Carrier
2
조회
0
다운로드
6
인용
0
참고문헌
키워드
초록
In the context of the structural performance of an LNG hold, the mechanical characteristics of the insulation material are considered to be a critical design factor under cryogenic temperatures. This paper presents the thermal elasto‐plastic behavior of the reinforced polyurethane foam (RPUF) adapted for the insulation material of a membrane‐type LNG carrier via both experiments and numerical simulations realizing the cryogenic condition. The experiments are carried out to investigate the thermal transfer and thermal elasto‐plastic deformation characteristics of an actual RPUF specimen. The heat transfer simulations based on the finite element method (FEM) include a forced convection analysis. The results of heat transfer analyses are compared with the experimental results. Reasonable cryogenic conditions for RPUF are reviewed based on both the analysis and experimental results.
Abstract
In the context of the structural performance of an LNG hold, the mechanical characteristics of the insulation material are considered to be a critical design factor under cryogenic temperatures. This paper presents the thermal elasto‐plastic behavior of the reinforced polyurethane foam (RPUF) adapted for the insulation material of a membrane‐type LNG carrier via both experiments and numerical simulations realizing the cryogenic condition. The experiments are carried out to investigate the thermal transfer and thermal elasto‐plastic deformation characteristics of an actual RPUF specimen. The heat transfer simulations based on the finite element method (FEM) include a forced convection analysis. The results of heat transfer analyses are compared with the experimental results. Reasonable cryogenic conditions for RPUF are reviewed based on both the analysis and experimental results.
참고문헌 (9)
- 정준모, "조선 해양 구조물용 강재의 소성 및 파단 특성 I: 변형률 경화 및 변형률 속도 경화의 이론적 배경", 한국해양공학회지, 25(2), pp.134~144 (2011), 한국해양공학회
- Issa, J. A., "Structural Capacities of LNG Membrane Containment Systems", Proceedings of the Nineteenth International Offshore and Polar Engineering Conference, Osaka (2009)
- Lee, C. S., "Evaluation of Sloshing Resistance Performance for LNG Carrier Insulation System using Fluid-Structure Interaction Analysis", Proceedings of Computational Structural Engineering Institute of Korea, Busan (2011)
- 이제명, "멤브레인 LNG선 방열시스템동적 강도 실험적 특성평가", 대한조선학회 논문집, 44(3), pp.296~304 (2007), 대한조선학회
- 이제명, "멤브레인 LNG선 방열시스템동적 강도 해석적 특성평가", 대한조선학회 논문집, 44(3), pp.305~313 (2007), 대한조선학회
- MSC software, "MSC.NASTRAN User’s Manual" (2010), MSC software
- 박웅섭, "선박 및 해양구조물용 극저온 재료의 기계적 거동 특성", 대한조선학회 논문집, 48(3), pp.189~199 (2011), 대한조선학회
- Siegmann, A., "Mechanical Behavior of Reinforced Polyurethane Foams", Polymer Composites, 4(2), pp.113~119 (1983)
- Yunus, A. C., "Heat Transfer: A Practical Approach" (2003), Mc- Graw-Hill