Table 1: Fan data.

Nominal speed980 rpm
Tip speed115 m/s
Nominal pressure coefficient, 0.189
Nominal flow coefficient, 0.220
Duty point efficiency, 0.69
Tip diameter2,240 mm
Blade height720 mm
Blade chord at the tip163 mm
Tip stagger angle70°
Tip gap (% of fan diameter)0.45%
Blade count16
0.37