Development of flow-induced acoustic resonance in aeroengine compressors

被引：0
|
作者：
Hong Z. [1 ]
Zhao G. [1 ]
Yang M. [2 ]
Sun X. [3 ]
机构：
[1] College of Airworthiness, Civil Aviation University of China, Tianjin
[2] AECC Shenyang Engine Research Institute, Shenyang
[3] School of Energy and Power Engineering, Beihang University, Beijing
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2019年 / 40卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Acoustic resonance; Blade failure; Compressor; Flow-induced vibration; Vortex sound interaction;
D O I：
10.7527/S1000-6893.2019.23139
中图分类号：
学科分类号：
摘要：
Flow-induced acoustic resonance, a complex coupling phenomenon between the flow and sound fields, can cause high-intense tone noise over 160 dB, which can not only severely discomfort the cabins, but also lead to acoustic fatigue issues to the nearby structures. This problem has attracted the attention of more and more designers for a variety of engineering applications, such as rocket combustors, weapon bay for military applications, sunroof of cars, and tube bank of heat exchangers. Meanwhile, enough cases have suggested that acoustic resonance can also be detected in aeroengine compressors as a potential reason for the failure of aeroengine compressor blades, making it a growing research hotspot. However, the underlying mechanism of acoustic resonance is still an open issue. A comprehensive review on the present research in theoretical and experimental studies, predict and control methods of acoustic resonance is summarized to deepen the basic understanding of flow-induced blade failures, as well as to improve the design and troubleshooting abilities of aeroengine compressors. © 2019, Press of Chinese Journal of Aeronautics. All right reserved.
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