Study of the acoustic resonance occurring in a multistage high-speed axial compressor

被引：0
|
作者：
Courtiade, N. [1 ]
Ottavy, X. [1 ]
机构：
[1] Ecole Cent Lyon, LMFA, F-69130 Ecully, France
来源：
10TH EUROPEAN CONFERENCE ON TURBOMACHINERY: FLUID DYNAMICS AND THERMODYNAMICS | 2013年
关键词：
SOUND-WAVES; BLADE ROW; TRANSMISSION; PROPAGATION; FLOW;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A study of the acoustic resonance occurring and leading to surge in the 31/2-stage high speed compressor CREATE (rotation speed: 11543 RPM, Rotor 1 tip speed: 313 m/s) is presented in this paper. It is based on high-frequency wall static-pressure measurements performed all along the machine from peak efficiency to surge. In this paper, a model of acoustic resonance will be applied to the experimental results. The axial distribution of the amplitude of the acoustic modes is first analyzed. Then, a study of the reflections occurring in the machine will be done in order to understand the mechanisms responsible for the resonance.
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页数：13
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