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不同系泊缆失效模式下深海碟形网箱的水动力特性     被引量:1

Hydrodynamic Characteristics of Deep Sea Station Cage under Different Failure Modes of Mooring Cables

文献类型:期刊文献

中文题名:不同系泊缆失效模式下深海碟形网箱的水动力特性

英文题名:Hydrodynamic Characteristics of Deep Sea Station Cage under Different Failure Modes of Mooring Cables

作者:张大朋[1];严谨[1];朱克强[2]

机构:[1]广东海洋大学海洋工程学院,广东湛江524005;[2]宁波大学海运学院,浙江宁波315211

年份:2022

卷号:42

期号:3

起止页码:107

中文期刊名:广东海洋大学学报

外文期刊名:Journal of Guangdong Ocean University

收录:CSTPCD、、北大核心、北大核心2020

基金:广东海洋大学科研启动经费资助项目(060302072101);广东省促进经济高质量发展专项“深海油田高可靠智能开采技术研发及产业化项目”;2020国家一流专业船舶与海洋工程(100102-010305072101);国家“十三五”海洋经济创新发展示范城市项目(湛海创2017C6B1)。

语种:中文

中文关键词:碟形网箱;系泊缆;失效模式;水动力特性

外文关键词:sea station cage;mooring cable;failure modes;hydrodynamic characteristics

中文摘要:【目的】研究碟形网箱在系泊缆断裂的部位和数量不同时,系泊缆断裂后碟形网箱的水动力特性。【方法】结合某碟形网箱具体参数和其系泊系统布局情况,建立该碟形网箱的水动力分析模型,探究系泊缆在不同位置发生断裂和不同数量系泊缆断裂失效模式对碟形网箱水动力特性的影响。【结果与结论】1)不管何种模式的缆失效,都会导致其余未发生断裂系泊缆所承受的系泊张力重新分布。2)缆失效位置和数量的不同都会对网箱主体的六自由度运动产生不同的影响:当系泊缆锚固端断裂时,缆的自重及缆承受的水中阻力会对碟形网箱主体倾覆运动起到某种程度的限制作用。当系泊缆在上端断裂时,断裂后整根系泊缆完全脱离碟形网箱主体,如果自顶端断裂的系泊缆较多,就会导致碟形网箱主体发生大倾角倾覆;如果只剩下一根系泊缆与碟形网箱相连,碟形网箱有可能发生风标效应。

外文摘要:【Objective】The study is to obtain the hydrodynamic characteristics of sea station cage after mooring cable breakage at different locations and numbers.【Method】Combining the specific parameters of a certain sea station cage and the layout of its mooring system,establishing the hydrodynamic analysis model of the sea station cage,and exploring the influence of the breakage of mooring cables at different locations and the breakage failure modes of different numbers of mooring cables on the hydrodynamic characteristics of the sea station cage.【Result and Conclusion】1)Failure of any mode of cable will result in redistribution of the mooring tension of the remaining mooring cables that have not been broken.2)The location and quantity of failure of cable have different effects on the 6-DOF motion of the main body of the sea station cage:When the anchor end of the mooring cable breaks,its weight and the water resistance of the cable will limit the overturning movement of the main body of the spar sea station.When the mooring cable is broken at the upper end,the whole root mooring cable is completely separated from the main body of the sea station cage after fracture.If there are more mooring cables broken from the top,it will lead to large overturning of the main body of the sea station cage.If only one mooring cable remains attached to the sea station cage,it may have weathercock effect.

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