A Pelton wheel in Kundha power house of Nilgiri district develops 30MW under a net head of 1987m at a speed of 1000rpm. Assuming the co-efficient of velocity for the nozzle is 0.98, hydraulic efficiency 83%, speed ratio 0.45 and jet diameter to wheel diameter ration 1/8, Estimate: i) the discharge required for the Pelton wheel, ii) the diameter of the wheel, iii)the diameter and number of jets required, and iv) the specific speed, mechanical efficiency is 74%

A Pelton wheel in Kundha power house of Nilgiri district develops 30MW

1.	A Pelton wheel in Kundha power house of Nilgiri district develops 30MW under a net head of 1987m at a speed of 1000rpm. Assuming the co-efficient of velocity for the nozzle is 0.98, hydraulic efficiency 83%, speed ratio 0.45 and jet diameter to wheel diameter ration 1/8, Estimate: i) the discharge required for the Pelton wheel, ii) the diameter of the wheel, iii)the diameter and number of jets required, and iv) the specific speed, mechanical efficiency is 74%
Answer» III)the DIAMETER and NUMBER of JETS REQUIRED, and iv)

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