高温非平衡效应下双楔绕流中激波干扰研究

高温非平衡效应下双楔绕流中激波干扰研究Title: Study on Shock Interference in Double Wedge Flow under High-Temperature No

高温非平衡效应下双楔绕流中激波干扰研究 Title:StudyonShockInterferenceinDoubleWedgeFlow underHigh-TemperatureNon-equilibriumEffects Abstract: Inthispaper,weinvestigatethephenomenonofshock interferenceintheflowaroundadoublewedgeunder high-temperaturenon-equilibriumconditions.The non-equilibriumeffects,causedbyhigh-temperaturegradients andchemicalreactions,haveasignificantimpactontheflow behaviorandshockwavestructures.Thestudyaimstoprovidea comprehensiveunderstandingofshockinterferencein high-temperatureflowsandsuggestitspotentialapplicationsin aerospaceengineering. 1.Introduction Thebehaviorofshockwavesinhigh-temperatureflowsisof greatimportanceinvariousengineeringfields,suchassupersonic aircraft,hypersonicvehicles,andexplosionstudies.Thepresence ofshockwavescanleadtosignificantchangesintheflow conditions,includingtemperature,pressure,anddensity.Inthis study,wefocusspecificallyonshockinterferencephenomenain theflowaroundadoublewedgegeometry. 2.Background 2.1High-temperatureNon-equilibriumEffects High-temperaturenon-equilibriumeffectsoccurwhenthe rateofrelaxationtothermodynamicequilibriumisslowerthanthe flowtimescale.Theseeffectsaremainlyduetothepresenceof chemicalreactionsandlargetemperaturegradients.The non-equilibriumeffectscanhaveasubstantialinfluenceonthe flowphenomena,includingshockwavestructures,boundarylayer behavior,andheattransfer. 2.2DoubleWedgeFlow Thedoublewedgeflowisawidelyusedtestcaseforstudying high-speedcompressibleflows.Itconsistsoftwowedgeswith differentwedgeangles,leadingtocomplexshockwave interactions.Theunderstandingofshockinterferenceinthe doublewedgeflowcanprovidevaluableinsightsintothedesign