1. Bladeshape of the runner in turbomachines

4. Traditional runner
X blade runner

5. Bladeshape of radial machines
Input parameters
Head H [m]
Flow rate Q [m3/s]
Speed n [rpm]
Choose
Inlet diameter D1 [m]
Outlet diameter D2 [m]

6. Axial view

7. Calculate all velocities in the inlet velocity trianglew1 u1 b1

8. Svartisen P = 350 MW H = 543 m Q* = 71,5 m3/S D0 = 4,86 m D1 = 4,31m
B0 = 0,28 m
n = 333 rpm

9. Calculate all velocities in the outlet velocity triangleb2 c2 w2

10. Draw the radial view c1 w1 u1 c2 w2 u2

11. Bladeshape of axial machines
Input parameters
Head H [m]
Flow rate Q [m3/s]
Speed n [rpm]
Choose
Inlet diameter D1 [m]
Outlet diameter D2 [m]

12. Axial view

13. Jebba, Nigeria D0 = 8,5 m De = 7,1 m Di = 3,1 m B0 = 2,8 m
*Q = 376 m3/s
*H = 27,6 m
*P = 96 MW
D0 = 8,5 m
De = 7,1 m
Di = 3,1 m
B0 = 2,8 m

14. Calculate all velocities in the inlet velocity trianglesb1 c1 w1

15. u1 u1 b1 b1 c1 c1 w1 w1

16. Calculate all velocities in the outlet velocity trianglesb2 c2 w2 u2 b2 c2 w2