Linear stability model of rotating stall based on direct numerical techniques:Part Ⅰ—Theoretical model and algorithm

HOU Rui-wei; SUN Xiao-feng

Chinese

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Linear stability model of rotating stall based on direct numerical techniques:Part Ⅰ—Theoretical model and algorithm

更新时间：2026-07-07

- Linear stability model of rotating stall based on direct numerical techniques:Part Ⅰ—Theoretical model and algorithm
- Vol. 24, Issue 12, (2009)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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HOU Rui-wei, SUN Xiao-feng. Linear stability model of rotating stall based on direct numerical techniques:Part Ⅰ—Theoretical model and algorithm[J]. 2009, 24(12).
DOI：

HOU Rui-wei, SUN Xiao-feng. Linear stability model of rotating stall based on direct numerical techniques:Part Ⅰ—Theoretical model and algorithm[J]. 2009, 24(12). DOI：

摘要

提出了一个基于直接数值计算结果基础上的旋转失速线性稳定性模型

描述了如何从基本的Navier-Stokes方程出发

把轴流压气机流动稳定性问题转化为一个特征值问题的基本理论框架.对压气机不稳定边界的判断通过计算和检验特征值的方式来实现.给出了有限差分法和基于Gauss-Lobatto节点的谱配置方法两种数值离散的方式

并分析了这两种离散方式的收敛特性.

Abstract

A linear stability model of rotating stall in axial flow fan/compressors was presented based on direct numerical methods to Navier-Stokes equations

which was described as an eigenvalue problem.The inception point of rotating stall can be predicted by the model without requiring more experimental or empirical relations as input data.Two different methods

finite difference method and spectral collocation method

have been proposed to discretize the eigenvalue equation and the relevant comparison and analysis also have been given in the present investigation.

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Related Author

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Related Institution

河南科技大学机电工程学院

Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics

College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics

College of Energy and Power Engineering，Nanjing University of Aeronautics and Astronautics

Laboratory of Turbomachinery Experiment，Sichuan Gas Turbine Establishment，Aero Engine Corporation of China

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