发动机中轴流压气机转子叶尖间隙影响研究  

Research on Influence of Tip Clearance of Axial Compressor Rotor in Engine

作　　者：李斌 张江伟 张雨 Li Bin;Zhang Jiangwei;Zhang Yu

机构地区：[1]中国航发西安航空发动机有限公司,西安710021

出　　处：《机械制造》2021年第6期19-21,34,共4页Machinery

摘　　要：某型发动机在临界转速检查稳定性时,长期存在喘振裕度不足问题,严重影响发动机的正常交付。针对这一问题,对发动机中轴流压气机转子叶尖间隙的影响进行了研究。在研究中,应用数值模拟方法,对不同转子叶尖间隙的轴流压气机性能与流场进行了分析,进而得出结论。When checking the stability of a certain type of engine at the critical speed,there is a long term problem of insufficient surge margin,which seriously affects the normal delivery of the engine.Aiming at this problem,the influence of the tip clearance of the axial compressor rotor in the engine was studied.In the study,the numerical simulation method was used to analyze the performance and flow field of the axial compressor rotor with different tip clearances,and then draw conclusions.

关 键 词：发动机 轴流压气机 转子 间隙 影响 

分 类 号：TH453[机械工程—机械制造及自动化]