A single jet Pelton wheel is required to drive a generator to develop 10Mw. The available head at the nozzle is 762m. Assuming electric generator efficiency is 95%, Pelton wheel efficiency 87%, coefficient of velocity 0.97, mean bucket velocity 0.46 of the jet velocity, outlet bucket angle 15° and the friction of bucket reduces the relative velocity by 15%, find (a) the flow rate of water through turbine (b) the diameter of the jet (c) the force exerted by the jet to the nozzle.
A single jet Pelton wheel is required to drive a generator to develop 10Mw. The available head at the nozzle is 762m. Assuming electric generator efficiency is 95%, Pelton wheel efficiency 87%, coefficient of velocity 0.97, mean bucket velocity 0.46 of the jet velocity, outlet bucket angle 15° and the friction of bucket reduces the relative velocity by 15%, find (a) the flow rate of water through turbine (b) the diameter of the jet (c) the force exerted by the jet to the nozzle.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter40: Typical Operating Conditions
Section: Chapter Questions
Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.
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A single jet Pelton wheel is required to drive a generator to develop 10Mw. The available head at the nozzle is 762m. Assuming electric generator efficiency is 95%, Pelton wheel efficiency 87%, coefficient of velocity 0.97, mean bucket velocity 0.46 of the jet velocity, outlet bucket angle 15° and the friction of bucket reduces the relative velocity by 15%, find (a) the flow rate of water through turbine (b) the diameter of the jet (c) the force exerted by the jet to the nozzle.
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