大规模海上风电场桩基础对海洋水动力环境影响研究
Study on the Influence of Pile Foundations of Large-Scale Offshore Wind Farm on Marine Hydrodynamic Environment
张孝严 1张琴 1丁玲 1余科平 2顾雯3
作者信息
- 1. 上海勘测设计研究院有限公司,上海 200335;中国长江三峡集团有限公司长江生态环境工程研究中心,湖北 武汉 430014
- 2. 上海勘测设计研究院有限公司,上海 200335
- 3. 上海东海风力发电有限公司,上海 200433
- 折叠
摘要
基于广东阳江青洲成片海上风电场项目,采用MIKE21软件搭建二维潮流数学模型,并结合项目海域实测潮流、潮汐资料对模型进行率定、验证,分析大规模海上风电项目实施前后的潮流动力场变化情况.结果表明:风电场建设后,单个桩基基础迎背水面为流速减小区,垂直于涨落潮流方向为流速增大区,综合考虑7个风电场的布置情况,风机基础基群迎背水方向为流速减小区,垂直于风电场涨落潮方向为流速增大区,潮流流速流向改变的范围主要局限在7个风电场连片范围的区域内,7个风电场叠加效应并不明显.
Abstract
Based on the Qingzhou Offshore Wind Farm Project in Yangjiang,Guangdong Province,this study uses MIKE21 software to build a two-dimensional hydrodynamics mathematical model,combines the measured tide and flow data of the project area to calibrate and verify the model,and analyzes the changes of the flow before and after the construction of large-scale offshore wind power projects.The results show that after the construction of the wind farm,the backwater surface of a single pile foundation is the flow velocity reduction area,and the flow velocity increase area perpendicular to the fluctuation and tidal flow direction is the flow velocity increase area.Considering the layout of 7 wind farms comprehensively,the wind turbine base group has a velocity decrea-sing area in the direction of water facing and back,and a velocity increasing area in the direction of ebb and flow perpendicular to the wind farm.The range of tidal flow velocity changing direction is mainly confiined to the con-tinual area of 7 wind farms,and the superposition effect of the seven wind farms is not obvious.
关键词
风电场/桩基/水动力Key words
wind farms/pile foundations/hydrodynamics引用本文复制引用
出版年
2024
NETL
NSTL
万方数据