矩形消声管道中存在气流时的声衰减
SOUND ATTENUATION IN LINED RECTANGULAR DUCTS IN THE PRESENCE OF FLUID MOTION
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摘要: 管道消声器是控制噪声沿管道传播的主要手段,随着消声器的使用日益广泛,人们对消声管道中声衰减规律的研究也越来越深入.Abstract: The theory dealing with sound attenuation in lined rectangular ducts in the presence of fluid motion is discussed in the paper.