离心压缩机自激非定常脉动的周向传播特征研究

刘传亮; 李振亚; 王天齐; 郝宁; 赵峰

doi:10.19805/j.cnki.jcspe.2026.240778

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离心压缩机自激非定常脉动的周向传播特征研究

动力设备与系统 | 更新时间：2026-10-10

- 离心压缩机自激非定常脉动的周向传播特征研究
- Study on Circumferential Propagation Characteristics of Self-induced Unsteady Pulsations in Centrifugal Compressors
- 动力工程学报 2026年46卷第4期页码：50-58
- 作者机构：
- 作者简介：
  
  刘传亮(1984—),男,江苏宿迁人,正高级工程师,硕士,研究方向为储能、风电、新型电力系统集成及应用等,E-mail:liuchuanliang@speri.com.cn。
- 基金信息：
  
  国家电投集团有限公司B1类科研资助项目(KYB12022CN01)
- DOI：10.19805/j.cnki.jcspe.2026.240778
  中图分类号： TK14
- 纸质出版：2026
- 稿件说明：
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刘传亮, 李振亚, 王天齐, 郝宁, 赵峰. 离心压缩机自激非定常脉动的周向传播特征研究[J]. 动力工程学报, 2026, 46(4): 50-58.
刘传亮, 李振亚, 王天齐, 郝宁, 赵峰. 离心压缩机自激非定常脉动的周向传播特征研究[J]. 动力工程学报, 2026, 46(4): 50-58. DOI： 10.19805/j.cnki.jcspe.2026.240778.

DOI： 10.19805/j.cnki.jcspe.2026.240778

摘要

压缩机内部的自激非定常脉动特性及稳定性直接影响着整机的性能和安全

以压缩空气储能系统中的某级离心压缩机为模型

采用计算流体力学方法

得到非定常数值模拟结果

研究并提取了自激非定常脉动沿周向的传播特征。结果表明:在0.3~0.5倍叶片通过频率范围内

自激非定常脉动周向尺度特征显著;随着流量的增加

模态数从15增加为19

而模态转速则从-0.65倍叶片转速降低至-0.56倍叶片转速

周向扰动团的模态数和转速决定了叶顶自激非定常脉动频率;确定了自激非定常脉动周向传播的关键参数

并发现各个流道间脉动的相位差是产生周向扰动的根本原因。

Abstract

The self-induced unsteady pulsation characteristics and stability have directly influence on the performance and safety of the compressor. Based on a stage of a centrifugal compressor adopted in a compressed air energy storage system

computational fluid dynamics method was used to obtain unsteady numerical simulation results

and the circumferential propagation characteristics of the self-induced unsteady pulsation were studied and extracted. Results show that within the frequency range of 0.3~0.5 times of the blade passing frequency

the circumferential-scale characteristics of self-induced unsteady pulsation are significant. And as the flow rate increases

the number of modes increases from 15 to 19

while the mode speed decreases from -0.65 times of the blade speed to -0.56 times of the blade speed. The number of modes and speed of the circumferential disturbance group determine the self-induced unsteady pulsation frequency of the blade tip. The key parameters for the circumferential propagation of self-induced unsteady pulsation have been determined

and it has been found that the phase difference of pulsations among different channels is the fundamental cause of circumferential disturbances.

关键词

Keywords

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