Numerical Investigation of the Trailing Edge Shape on the Added Damping of a Kaplan Turbine Runner
Table 2
Frequency interactives.
(Hz)
Frequency interactives
Initial frq.
189.94
Step 1
191.26
Step 2
191.41
The final damping ratios of the blunt and Donaldson hydrofoil under different inlet velocities have been shown in Figures 10(a) and 10(b), respectively.