進氣條件對多級高壓壓氣機的穩(wěn)定性影響

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中圖分類號：TH138.9 文獻標(biāo)志碼：A 文章編號：1671-5276(2025)03-0013-06

Effect of Intake Condition on Stability of Multi-stage High Pressure Compressor

XUHaotian，HUJun,HUANGChen

(College ofEnergyandPower Enginering，Nanjing UniversityofAeronauticsandAstronautics,Nanjing 21Ool6,China)

Abstract:Basedonthemain ideaof thedynamicmodel，athree-dimensionalcalculation program isdesignedtonumerially simulatetheperformanceandstabilityofamodernmultistagehigh-speedcompressrunderthreediferentairintakeconditions involvinggroundstandardatmosphericconditions，highaltitudelowReynolds numberstateandsteadystatecircumferentialtotal pressure distortion.Thecharacteristics of pressureratioandisentropic eficiencyunder diferentintakeconditionsarestudied, andthegroundconditionsareingoodagreementwiththeexperimentalresults.Thebasiclosscoeficientof Reynolds number in the toroidal force programismodified，andthecalculatedlowReynoldsnumbercharacteristicswellconsistwiththeexperimental results.The steady-state circumferential total pressre distortion will cause compressor performance degradation.

Keywords：multi-stage high pressrecompressor;lowReynoldsnumber；steadystatecircumferential totalpressredistortion; body force

0 引言

壓氣機的穩(wěn)定性[是指從氣體動力學(xué)角度出發(fā)，在其被干擾情況下保持穩(wěn)態(tài)工作狀態(tài)的能力。（剩余9293字）