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首页> 外文期刊>Journal of marine science and technology >EXPERIMENTAL STUDY OF CHARACTERISTICS OF MOTIONS OF A LARGE MOORING SHIP IN LONG-PERIOD WAVES
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EXPERIMENTAL STUDY OF CHARACTERISTICS OF MOTIONS OF A LARGE MOORING SHIP IN LONG-PERIOD WAVES

机译：长周期波浪中大型系泊船运动特性的实验研究

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摘要

By using the method of physical model tests, the characteristics of mooring ship's motion responses in transverse long-period waves have been studied under different conditions, including such elements as loading conditions, wave heights, and specific patterns of mooring, etc. The results indicate that: the mooring ship's movements of surge, sway and yaw had their own natural periods; the movement of sway was a period motion. The ratio of the natural period of sway and the natural rolling period of the mooring ship was within 1.11～1.23. The peak value of sway grew along with the increase of the wave period; the regularities of the LNG ship's movement of heave were basically the same along with the periodic changes of waves, although the loading conditions were different. The peak value of heave was greater than the wave height; the ship's movement of pitch was affected little by the changes of periods of the transverse waves; the movement of roll was a kind of periodic change. The ratio of the natural periods of roll and the natural rolling period of the mooring ship was within 1.23～1.48. The peak value of roll grew along with the increase of wave period.
机译：通过物理模型试验的方法，研究了不同条件下横向长周期波浪中系泊船运动响应的特性，包括载荷条件，波高和系泊的具体方式等要素。结果表明认为：系泊船的波动，摇摆和偏航运动具有其自身的自然周期；摇摆运动是一种周期性运动。系泊船的自然摇摆周期与自然摇摆周期之比在1.11〜1.23之间。摇摆的峰值随着波浪周期的增加而增加。尽管装载条件不同，但液化天然气船的波动运动规律与波浪的周期性变化基本相同。升沉的峰值大于波高；横波周期的变化对船舶的俯仰运动影响很小。滚动运动是一种周期性的变化。系泊船的自然摇摆周期与自然摇摆周期之比在1.23〜1.48之内。横摇的峰值随着波浪周期的增加而增加。

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