Analysis of low-pressure compressor rotor vibration characteristics induced by inlet guide vane

HOU An-ping; LI Qiu-shi; ZHOU Sheng; TANG Zha-yong; FENG Wei-ling; WU Chen-jie

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Analysis of low-pressure compressor rotor vibration characteristics induced by inlet guide vane

更新时间：2026-07-07

- Analysis of low-pressure compressor rotor vibration characteristics induced by inlet guide vane
- Vol. 21, Issue 4, (2006)
- 作者机构：
  
  1. 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重点实验室,北京,100083
  2. 成都飞机设计研究所,四川,成都,610500
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
移动端阅览
HOU An-ping, LI Qiu-shi, ZHOU Sheng, et al. Analysis of low-pressure compressor rotor vibration characteristics induced by inlet guide vane[J]. 2006, 21(4).
DOI：

HOU An-ping, LI Qiu-shi, ZHOU Sheng, et al. Analysis of low-pressure compressor rotor vibration characteristics induced by inlet guide vane[J]. 2006, 21(4). DOI：

摘要

对发动机进口前进气道管道内安装导流体后可能导致的压气机低压转子流动诱发振动现象进行了评估。通过定常和非定常数值模拟发现

以导流体叶片数决定的通过频率对发动机低压转子振动特性的影响较小;同时由于导流体尾迹内部脱落涡强度太低

其脱落频率也不会对发动机低压转子振动特性产生影响。计算结果表明

本算例中导流体的叶型设计和安装位置是合理的。

Abstract

This paper estimated the possibility of flow induced vibration in low-pressure compressor rotor with inlet guide vane.Through steady and unsteady numerical simulation

it was found that blade passage frequency of the guide vanes influences little on the vibration characteristics of the low-pressure compressor rotor.Moreover

because the intensity of vortex shedding in the wake of the guide vane is too weak

it's frequency has no influence on the vibration characteristics of the low-pressure compressor rotor.The computational result shows that both the design of airfoils and the location of installation are reasonable.

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