At the power station, a Pelton wheel produces 1260kW under a head of 610m. The loss of head due 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
At the power station, a Pelton wheel produces 1260kW under a head of 610m. The loss of head due 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
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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At the power station, a Pelton wheel produces 1260kW under a head of 610m. The loss of head
due 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
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