摘要
以某一离心风机为研究对象,以叶轮进口速度分布均匀性为目标,用数值方法对其进风口做了再设计,对比实验表明噪声降低2.2dB(A)。
A centrifugal fan is studied. In which the interior is redesigned with the acoustical optimum numerical method. The result that the noise of fan have been reducted for 2.2 dB (A).
出处
《流体机械》
CSCD
北大核心
1994年第5期22-25,共4页
Fluid Machinery