Table 1: Two-stage fan aerodynamic parameters.

Parameter

Inlet corrected tip speed, ft/sec, (m/sec)1609, (490.4)
Overall pressure ratio4.30
Rotor 1 pressure ratio2.50
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 ratio0.330
Rotor 1 inlet tip diameter, in, (cm)13.875, (35.2)
Rotor 1 inlet relative tip Mach number1.694
Exit Mach number0.51
Rotor 1 average hub slope, degrees31.0
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 vanes16/41