货物完全液化的散货船在波浪中的动态稳定性分析（英文）  

Dynamic Stability of Liquefied Cargo Ship in Waves

作　　者：鞠磊 杨洲 张以恒 Jv Lei,;YANG Zhou;ZHANG Yi-heng(College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China)

机构地区：[1]哈尔滨工程大学船舶工程学院

出　　处：《船舶力学》2018年第12期1445-1455,共11页Journal of Ship Mechanics

基　　金：Supported by the National Key R&D Program of China(2016YFE0202700);the National Natural Science Foundation of China(NSFC)(Grant Nos.51639004,51579054);the Natural Science Foundation of Heilongjiang Province of China(LC2018021);the Fundamental Research Funds for the Central Universities(HEUCFM180111)

摘　　要：货物液化导致船舶失稳已经造成了大量的生命损失,国际社会逐渐开始关注液化问题。有很多现象,如液化后的货物行为等,尚缺少基础研究,实验显示货物液化后表现出一种非牛顿流体的性质。基于此现象,Herschel-Bulkley非牛顿流体模型描述了液化货物的流动,计算结果与实验值对比验证了数值算法的可行性。利用CFD技术分析了非牛顿流体的液舱晃荡,同时,为了评估液化货物的动态特性,研究分析了部分填充液化货物的2D货船在波浪中的耦合运动特性。Recent problems with liquefied cargoes leading to serious loss of life are attracting attention by the international community to address this problem scientifically.Even though there is much yet to be understood concerning the phenomenon itself,for example its inception and cargo behaviour post-liquefaction,it is more than likely that liquefied cargo will behave as a non-Newtonian fluid.With this in mind,a numerical simulation method is presented in this paper based on CFD technique to consider tank sloshing and dam break of water and liquefied cargoes.Calculated results are compared with experimental data to verify the method.Herschel-Bulkley fluid is chosen as the non-Newtonian fluid to describe the properties of liquefied cargoes.To assess the dynamic characteristics of liquefied cargoes,coupled motion of the 2D cargo ship filled by liquefied cargoes in waves was studied based on the proposed method.

关 键 词：货物液化 船舶稳定性 CFD 非牛顿流体 

分 类 号：U661.3[交通运输工程—船舶及航道工程]