Influence of inlet distortion on the stall character of a low speed axial compressor

JIANG Hua-bing; LU Ya-jun; YUAN Wei; LI Qiu-shi; HOU An-ping

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Influence of inlet distortion on the stall character of a low speed axial compressor

更新时间：2026-07-07

- Influence of inlet distortion on the stall character of a low speed axial compressor
- Vol. 23, Issue 2, (2008)
- 作者机构：
  
  北京航空航天大学航空发动机气动热力重点实验室,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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JIANG Hua-bing, LU Ya-jun, YUAN Wei, et al. Influence of inlet distortion on the stall character of a low speed axial compressor[J]. 2008, 23(2).
DOI：

JIANG Hua-bing, LU Ya-jun, YUAN Wei, et al. Influence of inlet distortion on the stall character of a low speed axial compressor[J]. 2008, 23(2). DOI：

摘要

利用插板扰流器模拟压气机进口畸变流场

并深入分析了此畸变流场对某单级低速轴流压气机的旋转失速特性的影响.通过对压气机性能瞬时响应、失速扰动信号的发展和失速扰动信号的频谱特性的分析

探讨了进气总压畸变对压气机失速形式、失速强度、失速频率的影响.在畸变区形成的失速扰动将经历形成、发展、衰减甚至消失这一发展过程

只有当阻尼不足以阻止失速扰动的发展和周向传播时

压气机才会进入旋转失速状态

从而影响了压气机失速特性.

Abstract

Flat baffle was utilized to simulate the inlet distorted flow field

and its influence on the stall character of a low speed single stage axial compressor was investigated.The instantaneous characteristic of the compressor

the development process of stall disturbance and the frequency spectrum of the stall disturbance signal were investigated to explore the influence of inlet distortion on the form

intensity and frequency of rotating stall of the compressor.Astall disturbance formed in the distorted flow sector will experience development and damping when it propagates circumferentially

which will effectively influence the stall character of the compressor.Stall inception occurs only when the damping of the disturbance is insufficient to prevent its growth and surrounding propagation.

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Related Author

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LI Ying-hong

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LIU Jian-xun

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Related Institution

Institute of Engineering Thermophysics, Chinese Academy of Sciences

Graduate School, Chinese Academy of Sciences

Propulsion System Laboratory,Engineering Institute,Airforce Engineering University

中国航空发动机集团湖南动力机械研究所

北京航空航天大学能源与动力工程学院航空发动机气动热力国家级重点实验室

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