to pipe friction between the reservoir and nozzle is 46m. The buckets of the Pelton wheel deflect the jet through an angle of 1658, while relative velocity of the water is reduced by 10% due to bucket friction. The bucket/jet speed ratio is 0.46. The bucket circle diameter of the wheel is 890mm and there are two jets. Find the theoretical hydraulic efficiency, speed of rotation of the wheel, and diameter of the nozzle if the actual hydraulic efficiency is 0.9 times that calculated above. Assume nozzle velocity coefficient, Cv = 0.98.   Show the schematic diagram of this proble

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Hydroelectric Energy

Hydroelectric energy is also known as hydropower or hydroelectricity. The term hydropower refers to the power obtained from water motion. By the term 'power', primarily means the generation of electricity. A hydropower plant or hydroelectric power plant utilizes the kinetic energy or pressure energy of flowing water into electrical energy. Unlike conventional energy sources used for power generation, electricity obtained from hydraulic power contributes to zero greenhouse gas emissions.