CE 704 · Chapter 7
Hydropower Engineering past question
7.1.4 Preliminary design of Francis and Pelton turbines
A Pelton wheel is revolving at a speed of 190 rpm and develops 5,150.25 kW when working under a head of 220 m with an overall efficiency of 80%. i) Determine unit speed, unit discharge, and unit power. ii) If this turbine is working under a head of 140 m, find the speed, discharge and power. [2+2]