超声速来流条件下金属薄壁板颤振特性试验研究

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关键词:壁板颤振;超声速;金属薄壁板模型;风洞试验;极限环 中图分类号: V215.3+4 文献标志码:A DOI:10.16385/j.cnki.issn.1004-4523.202311027

Experimental study on flutter characteristics of metal thin-walled panel in supersonic flow

ZHANG Peng1, YUAN Kaihua²,LIU Jing', ZHA Jun1, KOU Xiping', ZENG Kaichun', JIA Su1 (1.High Sped Aerodynamics Institute,China Aerodynamics Research and Development Center,Mianyang 6210oo,China; 2.Beijing Institute ofMechanical and Electrical Engineering,Beijing 1ooo74,China)

Abstract:Teigfrequecyadlargeamplitudeoliearvbratiocausedbypanelfutesadveseeectsonhefatiguestrengtflight performanceandflightsafetyofigspeedicraftskinstructueBasedonFL-23windtunel,supesonicpanelflutertestpatoas establishedTaticdfoationandiitatressofthepaelmoelweeedudbyebackpresuecontrolaviyndthepfluter phenomenon wassucefullyeproucedinthhigspeedwindtuel.Teexperimentalrsultsowthat:ahighspeedwindtueltest techniqueforpanelfluterhasbenpreliminarilystablishd.Tefuteroftin-waledmetalpanelisbviouslyonliar,andthefluter responseisgfrqucylleosilltioWentedamicpresureoffluterisead,teeatvbatiopomeoilpr at first,and then it willenter the limit cycle vibration state after accumulating for acertain time.

Keywords: panel fluter;supersonic;metal thin-walled panel model; wind tunnel test; limitcycle

壁板颤振是飞行器表面蒙皮非定常气动力、惯性力和弹性力的相互耦合作用下产生的一种气动弹性动力学失稳现象。(剩余9834字)

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