ResearchontheRearSpoilerWinglettoFurtherImprovetheAerodynamicPerformanceofHatchBackVehicles

ResearchontheRearSpoilerWinglettoFurtherImprovetheAerodynamicPerformanceofHatchBackVehicles.pdf
Thispaperpresentsanewtypeofaerodynamicoptimizationintermsofcuttingdownaero-dragwithoutcompromisinghugenumbersofstylingfeaturesorinercasingtheweightconsiderably.Theideologyofaddingwinglettoeachsideoftherear-spoilerwasfirstlybroughttousbysomepreviousSAEpapers ,whichunfortunately,depictthisoptimizationinrathervaguemanners.Withthehelpofthegeometricalgraphincludedinthosepapers,asimilarwingletmodelwasbuiltandaddedtothefull-vehiclemodel,followedbyaseriesofcomputationalverificationsoncommercialCFDsoftware.Bycarefullyinvestigatingtheflowfieldaroundtherear-spoilerandvehiclebackregion,somesizeandshapeadjustmentsweremadetothewinglettomaximizeitseffectofdecreasingaero-drag.Later,differentsetsofrealwingletprototypesweremadeandtestedin3differentwind-tunnelexperiments,duringwhichtheeffectofwingletsondrag-reductionhasbeenconfirmedandcomparedwiththeresultsfromCFDsimulation.Discussionandanalysisonthedisparitybe-tweentestresultsandthenumericaloneshasbeenconducted,followedbythefinalconclusion.
作者：HeYue
作者单位：CAECentre,ChanganGlobalR&DInstitute
母体文献：第19届亚太汽车工程年会暨2017中国汽车工程学会年会论文集
会议名称：第19届亚太汽车工程年会暨2017中国汽车工程学会年会  
会议时间：2017年10月24日
会议地点：上海
主办单位：中国汽车工程学会
语种：chi
分类号：
关键词：aerodynamics  winglet  drag-reduction  CFDsimulation  wind-tunneltest  basepressure  wakeflow
在线出版日期：2020年7月9日
基金项目：
相似文献
相关博文

ResearchontheRearSpoilerWinglettoFurtherImprovetheAerodynamicPerformanceofHatchBackVehicles.pdf

文件大小:

32.39 MB

高速下载