基于彻体力模型的进气道与压气机一体化模拟

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中图分类号:V231.3 文献标志码:B 文章编号:1671-5276(2025)06-0145-05
Abstract:Basedontheideaofthebodyforce model,thecompressorismodeledandreduced,andtheintegratedcalculationof theinletandtheompressorisrealized,therebyreducingthedemandforcomputingresourcesintheintegratedcalculationand analysisprocessof theinletandthecompresor.Through theexchangeof numerical transferandboundaryconditions between three-dimensionalRANScalculationandbodyforcecalculation,theintegratedcalculationmodelisconstructed,withwhichthe couplingiscalculatedbetweenanS-shaped-nletandafanrotor.Theresultsshowthatthecalculationmodelcapturesthetypical flowfieldcharacteristicsoftheS-shaped-inletoutletandtheinfluenceoftheinletoutletflowfielddistortiononthecopressor performance,whichverifiesthefeasibilityofthecalculationmodel.Itisofengineeringsignificancetopredicttheinteraction between the inlet and the compressor in the early stage of the propulsion system design.
Keywords:aeroengine;inlet-enginematching;inletcompresorintegration;three-dimensionalbodyforcemodel inlet distortion
0 引言
压气机作为航空燃气涡轮发动机的重要部件,主要对气体起到做功增压的作用,由其工作特点所决定,压气机中的气体流动通常是强逆压力梯度的,这就导致其具有气动失稳特性。(剩余5425字)