volute diffuser的意思|示意

Firstly, the vortex noise can be reduced mainly through the optimization of the geometric parameters of the impeller and volute and installing a rotation diffuser in the outlet of the impeller.

首先，对于多翼离心风机涡流噪声的降噪，主要通过优化叶轮、蜗壳的结构几何参数和在叶轮出口加装旋转扩压器等方式进行。

It is found that vane diffuser restrains the influence of the volute on the impeller.

发现了叶片扩压器对遏制蜗壳对叶轮内流场的影响有明显的作用。

Using software PRO-E to build the model of the impeller, diffuser with blade, entering air elbow, volute.

用PRO - E软件对进气弯管，带分流叶片的叶轮及有叶片扩压器进行了实体建模。