| 半潜式浮式风机支撑平台首摇运动特性分析 |
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| 引用本文： | 陈嘉豪,胡志强.半潜式浮式风机支撑平台首摇运动特性分析[J].海洋工程,2019,37(1):20-28. |
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| 作者姓名： | 陈嘉豪 胡志强 |
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| 作者单位： | 上海交通大学海洋工程国家重点实验室;高新船舶与深海开发装备协同创新中心;纽卡斯尔大学工程学院(英) |
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| 基金项目： | 工信部深水半潜式支持平台研发专项经费资助(工信部联装函[2016]546 号) |
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| 摘 要： | 借助FAST软件对OC4半潜式浮式风机平台进行数值计算,分析了影响海上浮式风机平台首摇运动的一系列重要因素及其变化规律(如风向变化、浪向变化、陀螺力矩等)。研究了平台首摇运动所诱导的风机系统动力响应,发现浮式风机首摇运动不仅会加剧平台耦合运动响应,而且还会影响风机的气动性能和加剧锚泊张力波动。提出并探讨了几种减小海上浮式风机支撑平台首摇运动的方法。
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| 关 键 词： | 半潜式海上浮式风机 首摇运动 动力响应 数值计算 陀螺力矩 |
Study on dynamic properties of yaw motion of a semi-submersible floating offshore wind turbine |
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| CHEN Jiahao and HU Zhiqiang.Study on dynamic properties of yaw motion of a semi-submersible floating offshore wind turbine[J].Ocean Engineering,2019,37(1):20-28. |
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| Authors: | CHEN Jiahao and HU Zhiqiang |
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| Institution: | State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai Jiao Tong University, Shanghai 200240, China and School of
Engineering, Newcastle University, Newcastle upon Tyne NE17RU, UK |
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| Abstract: | Numerical simulations of the OC4 semi-submersible floating wind turbines with FAST code were conducted. Firstly, the reasons for the yaw motion of the floating offshore wind turbine were investigated, including change of wind direction, change of wave direction and gyroscopic moment. Subsequently, dynamic responses induced by the platform yaw motion were studied as well, and it was found that platform coupling motions are excited by the yaw motion, rotor aerodynamic is influenced and the fluctuation of mooring lines tension is increased with the platform yaw motion. In the end, some methods to restrain the yaw motion of the floating offshore wind turbines are proposed. |
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| Keywords: | semi-submersible floating offshore wind turbines yaw motion dynamic responses numerical calculation gyroscopic moment |
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