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航空发动机压气机声共振现象初探 被引量:14

Study of Acoustic Resonance for Aeroengine Compressors
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摘要 航空发动机压气机声共振机理十分复杂,涉及到"气动-结构-声学"的多物理场耦合问题,能导致压气机叶片疲劳破坏,危害巨大,近年来已经成为国外压气机气动、振动、声学领域的研究热点。综述了国外流体诱发腔体发声机理的研究进展,分析了国外航空发动机压气机声共振的研究现状,总结了单级、多级压气机声共振现象的主要特征,并结合中国某型压气机的试验结果,进行了气动、振动、噪声等物理参数的特征分析,认为某型压气机虽然存在着某些独特的问题需要深入研究,但其故障特点与近年来国外开展的声共振现象具有很强的相似性,即认为该型压气机工作中可能存在声共振现象。 The acoustic resonance mechanism of aeroengine compressors was complicated, which related to the problem of multi- physics coupling for the aerodynamics-structure-acoustics. It became a hot research issue internationally in the fields of compressor aerodynamics, vibration and acoustics in recent years, because it might cause the fatigue failure of compressor blades. The international research development of flow-induced cavity sound mechanism was overviewed, the present research of international aeroengine acoustic resonance was analyzed, and the main features of the acoustic resonance for the single stage and multi-stage compressors were concluded. The feature analysis of physical parameters such as aerodynamics, vibration and acoustics was conducted in China. Some special problems are analyzed in compressor, but its failure features were similar with the acoustic resonance in foreign countries. The results show that the acoustic resonance may exist in the compressor operation.
出处 《航空发动机》 2012年第5期36-42,共7页 Aeroengine
基金 国家重大基础研究项目资助
关键词 声共振 压气机 声模态 涡声相互作用 多物理场耦合 航空发动机 acoustic resonance compressor , acoustic mode vortex sound interaction multi-physics coupling aeroengine
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参考文献15

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二级参考文献7

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同被引文献126

引证文献14

二级引证文献39

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