A Pelton wheel is to be designed to run at 300 rpm under a head of 150m. The nozzle diameter is
not to exceed one – twelfth the wheel diameter. The overall efficiency is 0.84. Determine the
diameter of the wheel, diameter of jet, quantity of water required and power developed. Take
Coefficient of velocity as 0.98 and speed ratio is 0.46
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A pelton wheel having semi-circular buckets functions under a head of 150 m and consumes 50
liter per second of water. If 60 cm diameter wheel turns 600 revolutions per minute, make
calculations for the power available at the nozzle and the hydraulic efficiency of the wheel.
Presume coefficient of velocity Kv is unity and friction factor at bucket as 0.95.
Explanation:
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