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2. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
3. Shanghai Non-carbon Energy Conversion and Utilization Institute, Shanghai 200240, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1284794248830632105, articleId=1284794248625111208, tenantId=1146029695717560320, journalId=1283840536528293913, language=CN, title=超大型风力机叶片弯扭耦合颤振研究, columnId=null, journalTitle=太阳能学报, columnName=null, runingTitle=null, highlight=null, articleAbstract=以IEA 15 MW风力机叶片为研究对象,建立叶片气弹系统动力学模型,对高尖速比下发生颤振时的气弹响应进行分析,并对其中的多自由度耦合特性开展深入研究。结果显示,在高尖速比下,该风力机长柔叶片发生挥舞-扭转耦合的弯扭耦合颤振,在三自由度上的振动均包含挥舞和扭转固有频率,但颤振的维持由挥舞和扭转自由度上气动力做功维持,挥舞、扭转的瞬时气动功率发展存在明显的耦合现象。摆振方向则基本无能量贡献,在全过程中仅有微弱气动功率,仅由于叶片结构耦合特性,受挥舞和扭转激励发生受迫振动。, authors=杨定华¹, 王速², 张险峰¹, 马璐¹, 沈昕^2,3, 杜朝辉^2,3, authorsList=杨定华, 王速, 张险峰, 马璐, 沈昕, 杜朝辉, authorCompany=1.中国长江三峡集团有限公司,武汉 430010;
2.上海交通大学机械与动力工程学院,上海 200240;
3.上海非碳基能源转换与利用研究院,上海 200240, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=nzxHr395Pst07WQeaDUALg==, pdfFileSize=3638078, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=国家重点研发计划（2023YFB4203100）; 15 MW级海上风电机组关键技术研究与应用——海上风电叶片结构建模与运动响应计算项目（202303070）)}, authors=null, keywords=[Keyword(id=1284813592465740265, tenantId=1146029695717560320, journalId=1283840536528293913, articleId=1284794248625111208, language=CN, orderNo=1, keyword=风力机), Keyword(id=1284813592545432042, tenantId=1146029695717560320, journalId=1283840536528293913, articleId=1284794248625111208, language=CN, orderNo=2, keyword=气动弹性), Keyword(id=1284813592633512427, tenantId=1146029695717560320, 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