Table 2: The main aerodynamic parameters of each stage.

Stage number1st2nd3rd
Speed ratio 0.690.860.87
Reaction degree 0.3220.4530.468
Flow coefficient 0.970.970.97
Flow coefficient 0.950.950.95
Mach number of stator 0.550.580.76
Shaft power (kW)120515512436
Wheel efficiency 91.20%90.97%90.98%