Parameter

Data

Numberof R1 blades

18

Numberof S1 blades

20

Numberof R2 blades

22

Numberof S2 blades

24

Shroud diameter/mm

250

Hub diameter/mm

150

Tip clearance/mm

1

Design speed/rpm

5000

Design mass flow/kg∙s−1

8.5

Total pressure ratio

1.1

Isentropic efficiency

83.5