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Comparative Study on the Thermal Insulation of Membrane LNG CCS by Heat Transfer Analysis
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 Title & Authors
Comparative Study on the Thermal Insulation of Membrane LNG CCS by Heat Transfer Analysis
Hwang, Se-Yun; Lee, Jang-Hyun;
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This study discusses the thermal insulation capacity of variant of NO96 LNG (liquefied natural gas) cargo containment insulation system. Changing the insulation materials and the insulation layers of conventional GTT NO96 containment system, The thermal resistance and BOR(boil off rate) caused by the heat transfer between cryogenic and environmental temperature is discussed. Therefore, thermal analysis of LNG CCS(cargo containment system) is carried out to determine the insulation capabilities. Also, BOR is evaluated in terms of the total amount of heat invaded into CCS(cargo containment system). Variant of NO96 CCS such as NO96, NO96GW and NO96L3 membrane type during laden voyage is selected for the comparative study. Finite element model for heat transfer analysis is conducted by employing the equivalent thermal resistance model to simplify the complex insulation layers. Finally the results for each variant model are relatively compared and discussed to minimize the BOR.
boil off gas;boil off rate;liquified natural gas;cargo containment system;heat transfer;
 Cited by
멤브레인 타입 NO96 단열시스템에 적용되는 그라스울의 해수 및 액체질소 환경에 따른 열적 성능,김태욱;박기범;이제명;

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