风帆助航船舶运动模型

沈智鹏; 姜仲昊

doi:10.19818/j.cnki.1671-1637.2015.05.008

风帆助航船舶运动模型

doi: 10.19818/j.cnki.1671-1637.2015.05.008

大连海事大学信息科学技术学院, 辽宁大连 116026

基金项目:

国家863计划项目 2012AA112702

国家自然科学基金项目 61374114

中央高校基本科研业务费专项资金项目 3132014321

中央高校基本科研业务费专项资金项目 3132015040

详细信息

作者简介:
沈智鹏(1977-), 男, 福建永定人, 大连海事大学教授, 工学博士, 从事船舶运动控制研究

中图分类号: U664.31
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- 被引次数: 0
出版历程
- 收稿日期: 2015-05-10
- 刊出日期: 2015-10-25

Motion model of sail-assisted ship

School of Information Science and Technology, Dalian Maritime University, Dalian 116026, Liaoning, China

More Information

Author Bio:
SHEN Zhi-peng(1977-), male, professor, PhD, +86-411-84729941, s_z_p@263.net

摘要

摘要: 分析了处于复杂环境下的风帆受力, 给出了风帆在最佳攻角下的受力函数。基于船舶运动与主机转速之间的耦合关系, 得出了船舶主机输出转矩与油门杆位置的拟合函数。以76 000DWT大型远洋散货船“文竹海”号为研究对象, 根据实船参数建立了4自由度的风帆助航船舶运动模型。仿真结果表明: 添加风帆后船舶速度增大, 横摇角减小, 但偏航增加。添加风帆后, 在相同时间内船舶行驶的里程、最佳攻角下的船速与横摇幅度都随风速的增大而增大, 但横摇角小于15°, 在安全范围之内。可见, 船舶运动模型符合实际船舶运动规律, 是有效的。
- 船舶工程 /
- 风帆助航船舶 /
- 船舶运动 /
- 船舶主机 /
- 数学建模 /
- 仿真分析
Abstract: The forces of sail in complex environment were analyzed, and the force functions of sail under the best attack angle were obtained.Based on the coupling relationship between ship motion and ship main diesel engine revolution, the fitting function of main diesel engine output torque and throttle lever position of ship was deduced.76 000 DWT large ocean-going bulk ship'Wenzhuhai'was taken as research object, a sail-assisted ship motion model with four degrees of freedom was constructed based on real ship parameters.Simulation result shows that after adding sail, ship speed increases and roll angle decreases, but ship yaws more.Ship journey in the same time, ship speed under the best attack angle, and roll amplitude increase with the increase of wind speed after adding sail.Roll angle is less than 15° within safe range.Analysis result is consistent with the motion laws of real ship, so the model is effective.
- ship engineering /
- sail-assisted ship /
- ship motion /
- ship main diesel engine /
- mathematical modeling /
- simulation analysis

HTML全文

图 1 风帆的受力分析

Figure 1. Force analysis of sail

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图 2 风帆的空气动力特性

Figure 2. Aerodynamic characteristics of sail

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图 3 C₁-θ、C₂-θ离散数据

Figure 3. Scatter data of C₁-θ, C₂-θ

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图 4 C₁-θ、C₂-θ曲线

Figure 4. C₁-θ, C₂-θ curves

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图 5 最大推力和横向力系数

Figure 5. Coefficients of maximum thrust force and transverse force

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图 6 不同迎风角下的船速

Figure 6. Ship speeds under different upwind angles

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图 7 航迹对比

Figure 7. Comparison of ship trajectories

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图 8 船速对比

Figure 8. Comparison of ship speeds

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图 9 无风帆船舶的横摇角

Figure 9. Ship roll angle without sail

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图 10 有风帆船舶的横摇角

Figure 10. Ship roll angle with sail

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图 11 不同风速下的航迹对比

Figure 11. Comparison of ship trajectories under different wind speeds

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图 12 不同风速下的船速对比

Figure 12. Comparison of ship speeds under different wind speeds

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图 13 不同风速下的艏摇角对比

Figure 13. Comparison of yaw angles under different wind speeds

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图 14 风速为13m·s^-1时的横摇角

Figure 14. Ship roll angle with wind speed of 13m·s^-1

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图 15 风速为15m·s^-1时的横摇角

Figure 15. Ship roll angle with wind speed of 15m·s^-1

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表 1 船舶主要参数

Table 1. Main parameters of ship

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