Analysis on Aerodynamic Performance of Finite Swept Wing with Glaze Ice Accretions

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摘要 Acomputationalinvestigationwasperformedtopredicttheeffectsofaerodynamicperformancedegradationonaircraftswepttaperwingwithandwithout10minutesand22.5minutesglazeiceaccretions.Inthisstudy,thethree-dimensionalsimulatedglazeiceshapesweredefinedfromaseriesoftwo-dimensionalicesections.TheaerodynamicperformancesofglazeicedsweptwingswithC-Hstructuremulti-blockgridwereanalyzedandevaluated.ThesteadyReynolds-AveragedNavier-Stokes(RANS)equationsareemployedtocomputesolutionswithimplementationoftwoequationShear-StressTransport(SST)turbulencemodelandsecond-orderupwinddifferencingforentireicedwingflowfield.Computedresultswerecomparedwithavailableexperimentaldata.TheCFDcomputationcanalsoaccuratelypredicttheaerodynamicperformancedegradationoflift,dragandpressurecoefficientsoffinitesweptwingwithglazeiceaccretionswhichhavetwobigupperandlowerhorn.
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出版日期 2010年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)