中国民航大学学报

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某型涡扇发动机整机振动特性仿真研究

谭巍1,蔡志军2,于向财1,付焱晶1   

  1. (1.海军航空兵学院,辽宁葫芦岛125001;2.中国民航大学工程技术训练中心,天津300300)
  • 收稿日期:2014-09-28 修回日期:2014-12-07 出版日期:2015-10-21 发布日期:2015-11-10
  • 作者简介:谭巍(1982—),男,湖北天门人,讲师,硕士,研究方向为航空发动机测试与诊断.
  • 基金资助:

    天津市科技攻关计划重点项目(06YFGZGX00700);中央高校基本科研业务费专项(ZXH2012B001,ZXH2012D010)

Research on whole aero-engine vibration speciality simulation

TAN Wei,CAI Zhi-jun,YU Xiang-cai,FU Yan-jing   

  1. (1. Naval Aviation Academy,Huludao 125001,China;2. Engineering Techniques Training Center,CAUC,Tianjin 300300,China)
  • Received:2014-09-28 Revised:2014-12-07 Online:2015-10-21 Published:2015-11-10

摘要:

针对涡扇发动机整机振动故障,基于某型发动机进行发动机整机三维建模和动力学特性仿真分析。建立了转子-支承系统和静子承力系统动力学模型,仿真计算了静子承力系统在转子-支承系统支反力和碰摩力作用下的振动响应特性,初步搭建了整机振动机理仿真分析平台,提高了发动机振动机理研究能力和整机振动分析诊断水平。

关键词: 整机振动, 动力学模型, 有限元分析, 振动响应特性

Abstract:

Aiming at vibration fault of whole engine,whole engine model is established and dynamic characteristics are analyzed. A dynamic model of rotor-support system and stator bearing system is established,calculating the reaction force of stator bearing systemin rotor-support system as well as the vibration and response characteristics.The whole engine mechanical simulation and analysis platform is constructed袁promoting research capability of vibration mechanics and diagnoing level of whole engine analysis.

Key words: whole aero-engine vibration, dynamic model, finite element analysis, vibration response speciality

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