The change of airflow convective accelerating factor to the effect of fan noise is analyzed &calculated according to the mechanism of aerodynamic noise generated in airflow field.

 
  • 根據空氣流場(chǎng)中空氣動(dòng)力性噪聲的產(chǎn)生機理,分析并計算了離心式通風(fēng)機葉輪中,氣流相對加速度系數的變化對風(fēng)機噪聲的影響。
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