Effect of movable flat baffles plenum volume on pressure distortion flow field of engine

彭生红; 钟华贵; 吴锋; 田应维; 李腾; 邝文

doi:10.13224/j.cnki.jasp.2018.09.022

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Effect of movable flat baffles plenum volume on pressure distortion flow field of engine

更新时间：2026-07-07

- Effect of movable flat baffles plenum volume on pressure distortion flow field of engine
- Vol. 33, Issue 9, Pages: 2242-2247(2018)
- 作者机构：
  
  1. 南京航空航天大学能源与动力学院,南京,210016
  2. 中国航空发动机集团有限公司四川燃气涡轮研究院高空模拟技术重点实验室,四川,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2018.09.022
  CLC：
- Published：2018
- 稿件说明：
移动端阅览
彭生红, 钟华贵, 吴锋, 田应维, 李腾, 邝文. 移动插板容腔对发动机压力畸变流场的影响[J]. 航空动力学报, 2018, 33(9): 2242-2247.

doi: 10.13224/j.cnki.jasp.2018.09.022
彭生红, 钟华贵, 吴锋, 田应维, 李腾, 邝文. 移动插板容腔对发动机压力畸变流场的影响[J]. 航空动力学报, 2018, 33(9): 2242-2247. DOI： 10.13224/j.cnki.jasp.2018.09.022.

doi: 10.13224/j.cnki.jasp.2018.09.022 DOI：

摘要

基于移动插板容腔对发动机进气压力畸变流场影响

获取了移动插板容腔对小进口直径发动机流场扰动特性。通过发现问题、分析问题、数值模拟、改进设计与试验验证等技术过程

证明了移动插板容腔降低了进气压力畸变流场强度

其影响范围为进口直径小于200mm的发动机

且为避免移动插板容腔对发动机进口气流流场的扰动

设计压力畸变装置时应采取相应措施减小插板容腔体积。

Abstract

Based on the effect of movable flat baffles plenum volume on inlet pressure distortion flow field of engine

the destabilization characteristic of the movable flat baffles plenum volume on small flux tube engine air flow field was obtained. Through the process of problem discovery

analysis

numerical simulation

improved design

and test verification

the movable flat baffles plenum volume was proved in reducing the distortion intensity of inlet pressure flow field

and the engine of less than 200mm diameter flux tube was covered within the range of effect. In order to avoid destabilization to the inlet air flow field of the movable flat baffles plenum volume

corresponding measures should be taken to reduce the volume in the design of the pressure distortion device.

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Related Institution

Hunan Aviation Powerplant Research Institute， Aero Engine Corporation of China

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中南大学高性能复杂制造国家重点实验室

中南大学机电工程学院

中国航空发动机集团有限公司沈阳发动机研究所

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