【摘要】 采用流体计算软件NUMECA,对一离心通风机叶轮进行了数值计算。结果表明叶轮设计流量大于系统所需流量,实际工作时叶轮在失速工况下运行,内部的流动分离现象十分严重。更多还原

【Abstract】 The NUMECA software is used to numerically calculate the impeller of a centrifugal fan.The result shows that design flowrate is larger than the required flowrate of system.The interior flow separation phenomenon is very serious when the impeller is operating in stall operation of actual working.更多还原