DOI:10.11991/yykj.202303003网络出版地址:https://link.cnki.net/urlid/23.1191.U.20231122.1631.002航空发动机进气试验台畸变数值模拟研究佟尧1,刘旭峰1,刘潇21.中国航发沈阳发动机研究所,辽宁沈阳1100152.哈尔滨工程大学动力与能源工程学院,黑龙江哈尔滨150001摘要:为了实现对发动机吸入高温燃气现象进行模拟,本文介绍了航空发动机进气温度畸变模拟装置,主要从设备原理、设备组成、设备仿真验证等方面进行说明,通过数值模拟手段对模拟装置的指标进行验证,验证了该装置主、辅喷口在不同流量、温度下,气动参数测量截面(aerodynamicinterfaceplane,AIP)温度分布以及温度畸变强度等指标,主喷口在喷射热流温度550K、流量20kg/s下,温度畸变强度可达24.29%;辅助喷口在喷射热流温度450K、流量20kg/s下,温度畸变强度可达18.06%,从而对不同喷口位置下AIP截面高温区分布变化进行了验证。通过改变管路喷射流量速率可改变AIP截面的温升速率,证明了该温度畸变模拟装置具有一定的温度畸变指标实现能力和可调节性,可实现对外场现象的复现。关键词:数值模拟;航空发动机;可调试验台;进气畸变;温度畸变强度;温升率;有限元分析;应力计算中图分类号:TK14文献标志码:A文章编号:1009−671X(2024)01−0092−06AnumericalsimulationstudyontheinletdistortionofaeroenginetestrigTONGYao1,LIUXufeng1,LIUXiao21.AECCShenyangEngineResearchInstitute,Shenyang110015,China2.CollegeofPowerandEnergyEngineering,HarbinEngineeringUniversity,Harbin150001,ChinaAbstract:Inordertorealizethesimulationofhigh-temperaturegasintakefromtheexternalfieldofanengine,thispaperintroducestheaero-engineintaketemperaturedistortionsimulationdevice,mainlyfromtheequipmentprinciple,equipmentcomposition,equipmentsimulationandverificationandotheraspects,verifyingthesimulationdeviceindicatorsbymeansofnumericalsimulation,includingthemainandauxiliarynozzlesunderdifferentflowandtemperature,temperaturedistributionofaerodynamicinterfaceplane(AIP)section,temperaturedistortionintensityandotherindicators.Thetemperaturedistortionintensityofthemainnozzleisupto24.29%attheinjectionheatflowof550K,20kg/s.Thetemperaturedistortionintensityoftheauxiliarynozzleisupto18.06%attheauxiliarynozzleundertheconditiono...