航空发动机试车台噪声传播特性及影响因素分析研究  

Noise Propagation Characteristics and Errect Factors Analysis Research of Aero-engine Test Cell

作　　者：李存 陈志龙 LI Cun;CHEN Zhi-long(AECC Shanghai Commercial Aircraft Engine Manufacturing Co.,Ltd.,Shanghai 201306,China)

机构地区：[1]中国航发上海商用航空发动机制造有限责任公司,上海201306

出　　处：《内燃机与配件》2022年第2期42-44,共3页Internal Combustion Engine & Parts

摘　　要：航空发动机试车台设计过程中,系统性地开展试车台噪声传播特性及影响因素分析研究,优化试车台声学设计,对航空发动机试车过程中噪声的有效控制起着至关重要的作用。本文重点对航空发动机噪声源的特性进行分析,综合考虑试车台噪远场声传播过程的影响因素,最终给出试车台降噪需求,并探讨了航空发动机试车台声学设计的要点,为优化试车台声学设计方案提供参考。In the process of test cell design,systematically developing the noise propagation characteristic and related effect factors and optimizing the acoustic design are crucial to realize the effective noise control during the aero-engine running.As key points,the aero-engine noise source characteristic and propagation process in far field are analysed,and the noise reduction requirement is carried out,besides,the major concerns in the aero-engine acoustic design are expounded,to provide the support for test cell acoustic design.

关 键 词：航空发动机试车台 噪声传播特性 噪声传播影响因素 

分 类 号：V263.3[航空宇航科学与技术—航空宇航制造工程]