| Research on roll stabilization for ships at anchor |
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| 作者姓名： | 金鸿章 綦志刚 周颋 李冬松 |
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| 作者单位： | College of Automation，Harbin Engineering University，Ship Control Engineering Center of Ministry of Education，Harbin Engineering University |
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| 基金项目： | Supported by the National Natural Science Fundation of China under Grant No.50575048, No. 50879012, and Heilongjiang Province Postdoctoral Science Foudation under Grant No. LBH-Z05052. |
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| 摘 要： | With the increasing importance of ocean exploitation, providing anti-rolling stability for ships at anchor has become more and more important. The lift-generation theory of traditional fin stabilizers is based on incoming flow velocity, which is not suitable for explaining lift generated at anchor. We analyzed non-steady flows, with forces on fin stabilizers generated by non-incoming flow velocity conditions, and gave a new lift-generation model. The correctness of the model was proven by comparing experimental results of fin stabilizer motion under non-incoming velocity conditions from the fluid computation software with that from the emulator of the lift-generation model. Finally, the model was used in an anti-rolling system on a ship and the reduction of roll was much better than what could be achieved by passive anti-rolling tanks.
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| 关 键 词： | 轮船 抛锚 反向旋转 模拟 |
| 收稿时间： | 1 November 2005 |
Research on roll stabilization for ships at anchor |
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| Hong-zhang Jin,Zhi-gang Qi,Ting Zhou,Dong-song Li.Research on roll stabilization for ships at anchor[J].Journal of Marine Science and Application,2008,7(4):248-254. |
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| Authors: | Hong-zhang Jin Zhi-gang Qi Ting Zhou Dong-song Li |
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| Institution: | [1]College of Automation, Harbin Engineering University, Harbin 150001, China [2]Ship Control Engineering Center of Ministry of Education, Harbin Engineering University, Harbin 150001, China |
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| Abstract: | With the increasing importance of ocean exploitation,providing anti-rolling stability for ships at anchor has become more and more important.The lift-generation theory of traditional fin stabilizers is based on incoming flow velocity,which is not suitable for explaining lift generated at anchor.We analyzed non-steady flows,with forces on fin stabilizers generated by non-incoming flow velocity conditions,and gave a new lift-generation model.The correctness of the model was proven by comparing experimental results of fin stabilizer motion under non-incoming velocity conditions from the fluid computation software with that from the emulator of the lift-generation model.Finally,the model was used in an anti-rolling system on a ship and the reduction of roll was much better than what could be achieved by passive anti-rolling tanks. |
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| Keywords: | at anchor anti-rolling lift-generation model fluent simulation |
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