针对HQ管抑制风扇噪声这一主动控制噪声的方法开展研究,包括理论分析和数值模拟,在圆管情况下使用HQ管的消声效果预测和HQ管各几何参数对消声效果影响的讨论.结果表明:HQ管在抑制风扇低频噪声方面有十分显著的效果.
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