Coupled Flow Analysis on the Excitation Effect in Annular Enlarged Cascade

XIONG Jin-song; TUO Wei; HOU An-ping; ZHOU Sheng

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Coupled Flow Analysis on the Excitation Effect in Annular Enlarged Cascade

更新时间：2026-07-07

- Coupled Flow Analysis on the Excitation Effect in Annular Enlarged Cascade
- Vol. 21, Issue 1, (2006)
- 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：2006
- 稿件说明：
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XIONG Jin-song, TUO Wei, HOU An-ping, et al. Coupled Flow Analysis on the Excitation Effect in Annular Enlarged Cascade[J]. 2006, 21(1).
DOI：

XIONG Jin-song, TUO Wei, HOU An-ping, et al. Coupled Flow Analysis on the Excitation Effect in Annular Enlarged Cascade[J]. 2006, 21(1). DOI：

摘要

针对某静止环形叶栅的激励实验工作

相应的对扩压叶栅进行了不同气流攻角和激励频率的非定常粘性计算与流场分析。计算中

结合实验结果分析了在不同气流攻角下

激励频率对损失系数、负荷系数、功损比等性能的影响。计算结果揭示了在激励流动下流场的时空结构的变化是流场性能得到提升的根本原因。

Abstract

In regard to the excitation experiments

time-Accurate numerical stimulation was carried out to investigate the upstream disturbance frequency effect under different incidence in an annular cascade.Combined with experimental results

the disturbance frequency effect on loss coefficient

load factor

and work-loss ratio was discussed.The change of time-space flow structure is the principal cause of the performance improvement.

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Related Author

MAO Ming-ming

SONG Yan-ping

WANG Zhong-qi

QI Lei

ZOU Zheng-ping

CHEN Fu

XU Guo-qiang

DING Shui-ting

Related Institution

School of Energy Science and Engineering, Harbin Institute of Technology

National Key Laboratory on Aero-Engines, School of Jet Propulsion, Beijing University of Aeronautics and Astronautics

Aeroengine Numerical Simulation Research Center, Beijing University of Aeronautics and Astronautics

National Key Laboratory of Aircraft Engine,Beijing University of Aeronautics and Astronautics

Institute of Engineering Thermophysics, Chinese Academy of Sciences

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