An axial-flow fan operates in seal-level air at 1350 rpm and has a blade tip diameter of 3 ft and a root diameter of 2.5 ft. The inlet angles are α1 5 55, β1 5 30, and at the exit β2 5 60. Estimate...

An axial-flow fan operates in seal-level air at 1350 rpm

and has a blade tip diameter of 3 ft and a root diameter of

2.5 ft. The inlet angles are α1 5 55, β1 5 30, and at the exit

β2 5 60. Estimate the flow volumetric flow rate, horsepower,

and the outlet angle, α2.