A twin jet Pelton wheel is required to generate 7500 KW when the available head at a nozzle is 400 m. Assuming generator efficiency of 95% overall wheel efficiency of 80% , coefficient of velocity as 0.98, speed ratio as 0.46, reduction in relative velocity while passing through bucket as 15% and taking that the jet is deflected through 165 by the bucket, total flow is O 2516 lit/sec O 3452 lit/sec O 17834 lit/sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A twin jet Pelton wheel is required to
generate 7500 KW when the available head
at a nozzle is 400 m. Assuming generator
efficiency of 95% overall wheel efficiency
of 80% , coefficient of velocity as 0.98,
speed ratio as 0.46, reduction in relative
velocity while passing through bucket as
15% and taking that the jet is deflected
through 165 by the bucket, total flow is
2516 lit/sec
O 3452 lit/sec
17834 lit/sec
11987 lit/sec
Transcribed Image Text:A twin jet Pelton wheel is required to generate 7500 KW when the available head at a nozzle is 400 m. Assuming generator efficiency of 95% overall wheel efficiency of 80% , coefficient of velocity as 0.98, speed ratio as 0.46, reduction in relative velocity while passing through bucket as 15% and taking that the jet is deflected through 165 by the bucket, total flow is 2516 lit/sec O 3452 lit/sec 17834 lit/sec 11987 lit/sec
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