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Experimental Investigations on the Roll Motion Characteristics of Multi-Fishing Boats Anchored Side by Side

文献类型： 外文期刊

作者： Sun, Yi-yan 1 ; Yu, De-shuang 1 ; Xiong, Yu-zhang 1 ; Wang, Gang 1 ; Li, Xing 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Fishery Engn Res Inst, Beijing 100141, Peoples R China

关键词： multi-fishing boats anchored side by side; physical model experiment; decay test; regular wave experiment; roll motion

期刊名称：CHINA OCEAN ENGINEERING （ 影响因子：2.2； 五年影响因子：1.8 ）

ISSN： 0890-5487

年卷期： 2024 年 38 卷 6 期

页码：

收录情况： SCI

摘要： Fishing boats are usually anchored side by side in the harbor because of the small structural size and poor resistance to wind and waves. A series of physical model experiments are conducted to investigate the motion characteristics of multiple fishing boats that are moored together. A decay test in calm water is conducted to study the natural period and damping coefficients. Regular wave experiments are performed to analyze the roll motion response of each boat for four modes (different numbers of boats side-by-side). The results indicate that the "natural period" of each boat for the mode of multi-boats especially three or four boats, is slightly smaller than that of a single boat, whereas the damping coefficient is visibly larger than that of a single boat. The maximum roll angle of each boat does not appear at the same time under a 90 degrees incident wave. Small roll motion energy is generated at low frequencies and high frequencies when multiple boats are moored together. The energy decreases with the increasing wave period. The roll motion responses of each boat in four modes exhibit different trends with the increasing wave frequency. The number of boats and boat position have significant effects on roll motion.

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