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MARK-Ⅲ LNG 방열시스템의 펌프타워 및 베이스서포트 강도 평가
한상민(Han Sangmin),사티쉬쿠마(Y.V. Satish Kumar),서용석(Suh Yongsuk) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The present paper discusses the thermo-mechanical strength analysis of pump tower and pump tower base support of MARK-Ⅲ insulation system of LNG carriers. The loading condition includes the sloshing, inertial, thermal, hydrostatic, gravity loads and reaction forces, which are assessed under pessimistic conditions. A very pragmatic idealization of the insulation system is implemented in order to simulate the realistic behavior of the structures under the given loading conditions. The pump tower and pump tower base support are found to have high stresses at 10% filling ratio of the tank. The paper emphasizes the loading scenarios, idealization schemes and the behavior of insulation and pump tower systems in LNG carriers.