Study on casing treatment stability extension and stator matching on multistage high-loading fan

袁巍; 吴闯良; 邓哲

doi:10.13224/j.cnki.jasp.2018.10.025

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Study on casing treatment stability extension and stator matching on multistage high-loading fan

更新时间：2026-07-07

- Study on casing treatment stability extension and stator matching on multistage high-loading fan
- Vol. 33, Issue 10, Pages: 2515-2524(2018)
- 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国家级重点实验室,北京,100191
  2. 先进航空发动机协同创新中心,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2018.10.025
  CLC：
- Published：2018
- 稿件说明：
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袁巍, 吴闯良, 邓哲. 多级高负荷风扇处理机匣扩稳与静子匹配研究[J]. 航空动力学报, 2018, 33(10): 2515-2524.

doi: 10.13224/j.cnki.jasp.2018.10.025
袁巍, 吴闯良, 邓哲. 多级高负荷风扇处理机匣扩稳与静子匹配研究[J]. 航空动力学报, 2018, 33(10): 2515-2524. DOI： 10.13224/j.cnki.jasp.2018.10.025.

doi: 10.13224/j.cnki.jasp.2018.10.025 DOI：

摘要

以双级高负荷风扇为研究对象

以三维数值模拟为手段

探索一种适合多级高负荷风扇而又不影响其大流量点性能的扩稳方案。最终

对风扇采用周向槽对风扇小流量点进行扩稳

同时调节处理机匣上游静子局部基元使之与处理机匣相匹配

解决了风扇大流量点的堵塞问题。风扇的稳定裕度提高到16.3%

同时风扇大流量点的流量也没有减小

从而兼顾了设计状态的推力水平。

Abstract

A two-stage high-loading fan with three-dimensional numerical simulations was studied. The simulation results were used to propose a scheme that enlarged the stall margin of multistage high-loading fans without sacrifice of the flow capacity when operating with a large mass flow rate. Furthermore

a circumferential groove casing treatment was used and adjustments were made to the upstream stator angle to match the casing treatment. The stall margin was thus increased to 16.3%

without reduction in the maximum mass flow rate or the design thrust performance.

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北京航空航天大学交通科学与工程学院

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