摘要
Glowdischargeisintroducedasanartificialdisturbancetoinvestigatetheevolutionoffirst-andsecond-modeinstabilitiesinahypersonicflatplateboundarylayer.ExperimentsareconductedinaMach6.5quietwindtunnelusingRayleighscatteringvisualizationandparticleimagevelocimetry(PIV).Detailedanalysisoftheexperimentalobservationsisprovided.Itisfoundthattheartificiallyintroduced17kHzdisturbance,whichbelongstothefirst-modefrequencyband,caneffectivelyenhancefirst-modewaves.Moreover,itcanenhancesecond-modewavesevenmoreintensely.Possiblemechanismstoexplainthisphenomenonarediscussed.
出版日期
2019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）
