空腔非局域反应声衬传播特性研究

工程热物理学报 , 2005, 26(5): 751-754.

1.北京航空航天大学407教研室,北京,100083

2.北京航空航天大学407教研室,北京,100083

3.北京航空航天大学407教研室,北京,100083

基金项目: 中国科学院资助项目(50136010)

RESEARCH ON THE SOUND PROPAGATION AND RADIATION IN A DUCT WITH A NON-LOCALLY REACTING LINER

本文对声波在空腔非局域反应声衬管道内的传播进行了研究.特征方程通过声衬内和管道内两部分声场的耦合求解得到,并采用积分方法对特征方程积分求解,通过模态匹配的方法建立并求解了有限长管道非局域反应声衬的声辐射数值模型,展示了在管道消声主动控制方面的应用潜力.

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