叶轮机械颤振研究进展

doi:10.13675/j.cnki.tjjs.200345

推进技术 ›› 2021, Vol. 42 ›› Issue (1): 53-67.DOI: 10.13675/j.cnki.tjjs.200345

叶轮机械颤振研究进展

董旭^1,2，张燕峰^1,2，卢新根^1,2，甘久亮¹，朱俊强^1,2

1.中国科学院工程热物理研究所轻型动力重点实验室，北京 100190;2.中国科学院大学，北京 100190

出版日期:2021-01-15 发布日期:2021-01-15
作者简介:董　旭，博士生，研究领域为叶轮机械气动热力学和气动弹性力学。E-mail：dongxu@iet.cn
基金资助:
国家科技重大专项（2017-II-0009-0023），国家自然科学基金（51876202）。

Research Progress of Turbomachinery Flutter

1.Key Laboratory of Light-Duty Gas-Turbine，Institute of Engineering Thermophysics， Chinese Academy of Sciences，Beijing 100190，China;2.University of Chinese Academy of Sciences，Beijing 100190，China

Online:2021-01-15 Published:2021-01-15

摘要/Abstract

摘要： 叶轮机械颤振是航空发动机、燃气轮机安全运行的重要威胁，一旦出现将严重影响设备的安全性并降低使用寿命。但颤振发生机理复杂，影响气弹稳定性参数多，流动结构和关键参数相互耦合，因此颤振一直是叶轮机械的研究难点。本文从颤振发生机理的角度，重点综述了近十年来关于颤振发生机理的新发现和新进展，其中包括流动结构、振动模态以及声波传播与反射等方面。在此基础上，结合工程实际简要总结了颤振抑制方法，以及不同方法的应用可行性。最后结合作者的思考，提出了叶轮机械颤振研究的重点方向。

关键词: 叶轮机械;颤振;气动阻尼;声波反射;颤振抑制方法;气动弹性

Abstract: Turbomachinery flutter is a serious threat to the safe operation of aeroengines and gas turbines. Once it occurs， it will seriously affect the safety of the equipment and reduce the service life. However， the mechanism of flutter is complex， and there are many parameters affecting the aeroelastic stability. The flow structure and key parameters are coupled. Therefore， flutter has always been a difficulty in the research of turbomachinery. New discoveries and advances in the mechanism of flutter in recent decade are reviewed， including the effects of flow structure， vibration mode， and sound wave propagation and reflection on aeroelastic stability. On this basis， combined with the actual engineering， it briefly summarizes the flutter suppression methods and the application feasibility of different methods. Finally， combining with the author’s thinking， the key direction of flutter research is proposed.

Key words: Turbomachinery;Flutter;Aerodynamic damping;Acoustic wave reflection;Flutter suppression method;Aeroelasticity

董旭，张燕峰，卢新根，甘久亮，朱俊强. 叶轮机械颤振研究进展[J]. 推进技术, 2021, 42(1): 53-67.

DONG Xu^1,2, ZHANG Yan-feng^1,2, LU Xin-gen^1,2, GAN Jiu-liang¹, ZHU Jun-qiang^1,2. Research Progress of Turbomachinery Flutter[J]. Journal of Propulsion Technology, 2021, 42(1): 53-67.

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叶轮机械颤振研究进展

Research Progress of Turbomachinery Flutter

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