在研究过程中，假定排气扩压器的气流为一元准稳定不可压缩气流，试验装置采用压缩气源供气。
In the process of investigation, it is assumed that gas flow through the exhaust diffusers is of one dimensional quasi-steady incompressible flow.
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。
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。
Using software PRO-E to build the model of the impeller, diffuser with blade, entering air elbow, volute.
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