Experimental Investigation of a Forward Swept Rotor in a Multistage Fan with Inlet Distortion

Table 1

Two-stage fan aerodynamic parameters.

Parameter
Inlet corrected tip speed, ft/sec, (m/sec)	1609, (490.4)
Overall pressure ratio	4.30
Rotor 1 pressure ratio	2.50
Inlet corrected flow, lbm/sec, (Kgm/sec)	158.6, (71.95)
Flow/inlet annulus area, lbm/sec-ft2, (Kgm/sec-m2)	42.3, (206.6)
Inlet radius ratio	0.330
Rotor 1 inlet tip diameter, in, (cm)	13.875, (35.2)
Rotor 1 inlet relative tip Mach number	1.694
Exit Mach number	0.51
Rotor 1 average hub slope, degrees	31.0
Average aspect ratio (rotor/stator)	1.02/1.30
Average pitch line solidity (rotor/stator)	1.77/1.77
Number of rotor 1 blades/stator 1 vanes	16/41