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一、引言历来,我们设计离心式通风机时都认为压力系数只与叶片出口角度β_2有关,且与β_2成线性关系,如图1和图2所示。
First, the introduction Traditionally, when we design the centrifugal fan, the pressure coefficient is considered only with the blade exit angle β_2, and β_2 into a linear relationship, as shown in Figure 1 and Figure 2.