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스트레인 게이지를 이용한 Pilot LNG 저장탱크 멤브레인 실 변형 거동 측정
김영균(Young Kyun Kim),윤인수(Byoung Taek Oh),오병택(Seong Ho Hong),홍성호(Young Myung Yang),양영명(Ihn Soo Yoon) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
Korea Gas Corp. has developed the design technology of the LNG storage tank. The membrane to be applied inside of the LNG storage tank is provided with corrugations to absorb thermal contraction and expansion caused by LNG temperature changes. It is very important to measure their thermal strains under LNG temperatures by analytical and experimental stress analysis of the membrane. We have developed a stress measurement system using strain gages and measured the strain during cooldown and storing the LNG. We also analyzed the measured data by comparison with the FEM data. On the basis of these results, we could design and assure the application of the Kogas Membrane to large scale LNG storage.