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前向多翼离心通风机噪声的试验研究

蔡建程,何鹏,祁大同,崔天生,赵复荣,曹淑珍

COMPRESSOR BLOWER & FAN TECHNOLOGY（2002）

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Abstract
对某前向多翼离心通风机的辐射噪声进行了近场测量,给出声压级频谱图并进行了噪声源的识别.试验结果表明,除通常的旋转噪声和涡流噪声外,在某些条件下还可能存在与旋转噪声数量级相同甚至更高的蜗壳声腔共鸣噪声,在风机降噪研究中也应对此予以足够注意.
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