CE 704 · Chapter 7
Hydropower Engineering past question
7.1.4 Preliminary design of Francis and Pelton turbines
A pelton wheel has to be designed for the following data: Power to be developed=6 M; Net rated head=300m; Ratio of the jet diameter to the wheel diameter=0.1; Overall efficiency=90%; Assume coefficient of velocity (Cv)=0.98 and ratio of peripheral velocity of wheel to jet velocity=0.46. [6]