One third of gross head is lost in friction in the penstock. The rate of flow through th nozzle fitted at the end of penstock is 2.2 m3/s. The angle of deflection of the jet is 165º.
i) the power given by water to the runner
ii) hydraulic efficiency of the pelton wheel.
Take Cv = 1.0 KJ/Kg.K and speed ratio = 0.45
Subject : Thermal and Fluid Power Engineering
Topic : Impacts of Jets and Water Turbine
Difficulty : High