發(fā)動(dòng)機(jī)進(jìn)氣道唇口水滴撞擊特性的數(shù)值模擬研究.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文發(fā)動(dòng)機(jī)進(jìn)氣道唇口水滴撞擊特性的數(shù)值模擬研究姓名：顧海君申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：人機(jī)與環(huán)境工程指導(dǎo)教師：張大林20050201壟塾墊壟墨壅壁旦查塑堡童壁堡塑墼墮堡型塑莖AbstracthlthisthesisaPLum積calsimulationmethodforpredictionoftheinletflowfieldandwaterdropletimpingementperformancewhichacts

2、allimportantroleintheanti—icingsystemdesignofaaircraftengineinletisevaluatedusingmulti—blocktechniquesInthefirst，abasalideaofmultiblockmethodisintroduced，acollocatedstructured面dtechniqueispresented，andaSIMPLERalgorithmis

3、derivedonthis鰣dSecondlybasedontheanalysisofturbulentflowandheattransferinthecomplexgeometricaldomain，thegridgenerationtechnique，differenceschemeofconvectiveanddiffusiveterms，turbulentmodels，andEulerianmodelforairflowfiel

4、dcomputationcontainingwaterdroplet，whichareusedinsinglechilddomain，aswellasthetechniquesfortransferringandcorrectioninformationfromonecomputationalzonetOanothersuitablefortheproblem，aredeterminedAtwodimensionalCprogramfo

5、rnumericalsimulationofa2Dliddrivencavityflowanda2DhalfcircularcylinderincrossflowisdevelopedTheresultsarecomparedwiththeacceptedbenchmarksolutionsandtheexperimentalonescoensllrethefeasibilityofthemultiblockcomputationmet

6、hodandreliabilityoftheprogram111ecalculationresultsandanalysisoftheengineinletflowfieldandwaterdropletimpingementperformancewiththegivenflightstateandicingconditionareevaluatedKEYWORDS【IDe／Anti—icing，DropletTrajectories，