旋转式压缩机气流噪声研究综述和展望

回顾了旋转式压缩机气流噪声理论与应用的国内外研究现状。对气流噪声研究情况进行分类评述：储液器内气流噪声研究，涉及到计算方法和试验设计分析；排气阀的研究，包括流固耦合分析模型和可视化试验；消声器的研究，包括声学理论分析、试验技术和降噪改进方法；压缩机腔体内气流噪声研究，主要集中在声源识别，简化的集总参数模型和基于CFD的声学分析等3个方面。最后讨论了目前研究存在的一些问题和今后的研究方向。

REVIEW AND OUTLOOK OF STUDY ON GAS FLOW NOISE OF ROTATING COMPRESSORS

Study on flow-induced noise of rotating compressors are reviewed.The gas flow noise study is classified as follows:study on gas flow noise from accumulators,computational methods and experimental analysis involved;study on discharge valves,fluid-structure coupling analysis and flow visualization techniques included;study on discharge muffler,theoretical analysis,experimental techniques and noise reduction methods involved;investigations on gas flow noise in cavities,noise source identification,acoustic analysis based on CFD,etc included.Finally,the current study shortcomings are discussed and the future development trend is put forward.