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Pilot LNG저장탱크에 기초한 사용 LNG저장탱크의 설계
오병택(B.T. Oh),홍성호(S.H Hong),양영명(Y.M. Yang),윤인수(I.S. Yom),김영균(Y.K. Kim) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
KOGAS has developed the LNG storage tank, and now, successfully built a pilot LNG storage tank with 1,000m3 capacity. Now, the research for commercial LNG storage tank with 140,000m3 capacity is needed So, both analytical and experimental studies have been performed to investigate the strength of the new membrane for commercial one and the reaction force at the anchor paint. Using nonlinear FEM code and experiments, the stress analysis of the new corrugated membrane shapes subject to the cryogenic liquid pressure and thermal loading are perform ed to ensure the stability and fatigue strength of the new membrane. This paper reports an the general design process of commercial membrane units using the result from plot LNG storage tank operation.