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Afterstall prevention in centrifugal and axial flow fans

2021-04-09View Original

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The anti-surge performance curve of a centrifugal fan is the relationship between outlet pressure and inlet volumetric flow rate, while that of an axial flow fan is the relationship between outlet pressure and the pressure difference at the throat. Can the differential pressure in the throat be understood as a differential pressure that is equivalent to the inlet flow rate, similar to that in a orifice meter?

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