刘江,林熙涵,姜未汀,付在国

• 1:上海电力大学能源与机械工程学院
• 2:上海热交换系统节能工程技术研究中心

摘要(Abstract)：

浮式平台在海洋环境中发生六自由度运动使得叶片周围流场产生剧烈波动，剧烈变化的流场会对叶片动态响应造成巨大的影响。采用CFD-CSD耦合方法对NREL 5 MW风力机进行了双向流固耦合仿真，在此基础上利用UDF技术加入浮式平台运动，研究了平台纵荡、纵摇和艏摇运动下叶片变形情况及整机扭矩和推力变化。研究结果表明：纵荡、纵摇和艏摇这3种典型平台运动会使得叶片变形幅度增大，挥舞和扭转变形增幅要大于摆振变形；纵荡运动对叶片变形及气动性能的影响最大，扭转变形最大变化幅度可达70%，整机扭矩和推力的峰值分别提高了30.51%和11.75%；纵摇和艏摇运动减小了平均扭矩和推力。

关键词(KeyWords)： 海上风力机;浮式平台运动;流固耦合;叶片变形;整机性能

Abstract:

Keywords:

基金项目(Foundation): 上海市2020年度“科技创新行动计划”社会发展科技攻关项目（20dz1205302）~~

作者(Author): 刘江,林熙涵,姜未汀,付在国

DOI: 10.19666/j.rlfd.202308381

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