Feasibilityassessmentofaleading-edge-flutterwindpowergenerator前缘颤振风力发电机的可行性评估LucaCaracoglia卢卡卡拉克格里亚DepartmentofCivilandEnvironmentalEngineering,NortheasternUniversity,400SnellEngineeringCenter,360HuntingtonAvenue,Boston,MA02115,USA美国东北大学土木与环境工程斯内尔工程中心400，亨廷顿大道360，波士顿02115Thisstudyaddressesthepreliminarytechnicalfeasibilityassessmentofamechanicalapparatusforconversionofwindenergy.这项研究涉及的是风能转换的机械设备的初步技术可行性评估。Theproposeddevice,designatedas‘‘leading-edge-flutterwindpowergenerator’’,employsaeroelasticdynamicinstabilityofabladeairfoil,torsionallyrotatingaboutitsleadingedge.这种被推荐的定义为“前缘颤振风力发电机”的设备，采用的气动弹性动态不稳定叶片翼型，通过尖端旋转产生扭矩。Althoughtheexploitationofaeroelasticphenomenahasbeenproposedbytheresearchcommunityforenergyharvesting,thisapparatusiscompact,simpleandmarginallysusceptibletoturbulenceandwake虽然气动弹性现象的开发已经有研究effects.界提出可以通过能量采集。Theobjectiveofthisstudywastoidentifyaconceptualconfigurationthatcouldbecomeoperationalatlowandmediumwindspeeds.本研究的目的是确定一个概念性的配置，有可能在低和中等风速下运作。Pre-andpost-criticalregimesaresimulated;thepredictionofmechanicalefficiencyintheabsenceofdissipationisalsodiscussed.前后临界机制是模拟的;还讨论了在没有消耗的机械效率下的预测。2010ElsevierLtd.Allrightsreserved.2010爱斯维尔有限公司保留所有权利。前缘颤振风力发电机可行性评估1、Introduction引言Thisstudyanalyzesthefeasibilityofaconceptuallysimplemechanismforwindenergyharvesting.这项研究是针对风能收集的一个简单的概念性原理的的可行性分析。Theproposeddevicewasbasedontheexploitationoftheleading-edgetorsionalaeroelasticinstabilityofa‘‘bladeairfoil’’,andwasdesignatedas‘‘leading-edge-flutterwindpowergenerator’’(LEFWPG).该装置是根据开发尖端扭转弹性不稳定的一个叶片翼型，并设计'l前缘颤振风力发电机”。Flutter(ScanlanandRosenbaum,1968)isawellknownmechanismofdynamicaeroelasticinstability,inwhichenergycanbeextracted颤振from（the斯wind.坎伦·罗森鲍姆，1968）是一个众所周知的原理，利用气动弹性的不稳定性从风中提取能量。Thisenergymightpossiblybere-capturedandtransformedintoelectrical这种能量可power.能是可以被重新获得并转化为电能。TheLEFWPGisconceptuallyadvantageous,sinceitissimplerthansimilaraeroelasticgeneratorsproposedintheliterature,whichinvolveapitching/heavingoscillationint