Numerical investigation of rotor-stator interaction noise in a turbine stage

MU Zhong-qiang; QIAO Wei-yang; ZHAO Lei

Chinese

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Numerical investigation of rotor-stator interaction noise in a turbine stage

更新时间：2026-07-07

- Numerical investigation of rotor-stator interaction noise in a turbine stage
- Vol. 26, Issue 9, (2011)
- 作者机构：
  
  西北工业大学动力与能源学院,西安,710072
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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MU Zhong-qiang, QIAO Wei-yang, ZHAO Lei. Numerical investigation of rotor-stator interaction noise in a turbine stage[J]. 2011, 26(9).
DOI：

MU Zhong-qiang, QIAO Wei-yang, ZHAO Lei. Numerical investigation of rotor-stator interaction noise in a turbine stage[J]. 2011, 26(9). DOI：

摘要

通过采用结合相位延迟方法的非定常数值计算

得到真实叶片数下某高压涡轮级叶片通过频率及其倍频下的脉动压力.然后在转子后管道中利用模态匹配方法

摒除了管道末端非物理反射及其非声压脉动的影响

从而获得转子后管道中向下游传播的转静干涉噪声分量.结果分析表明:该涡轮级在叶片通过频率下

周向模态m=3未被截止

且为主要转静干涉噪声源;在2倍叶片通过频率下

周向模态m=6

-64未被截止.

Abstract

By using the unsteady computation which employed phase-lag method to get the fluctuation pressure in a high pressure turbine stage with real blade amount

and also using the mode matching method in the duct of downstream rotor

the non-physic reflection in the duct end and other non-sound pressure fluctuations were extracted.The rotor-stator interaction noise propagating downstream was obtained.The results show that the dominance azimuthal mode m=3 isn't cut-off for the blade passing frequency

m=6 and m=-64 aren't cut-off for the second blade passing frequency.

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