A Francis turbine of an over all efficiency of 75% is required to produce 148.25 kW. It is working under a head of 7.62 m. The peripheral velocity coefficient is 0.26 while radial velocity of flow coefficient is 0.96. the wheel runs at 150 rpm. The hydraulic losses in the turbine are 22% of the available energy. Assuming radial discharge : • 1- guide blade angle • 2- wheel vane angle 3- wheel diameter at inlet and

Elements Of Electromagnetics
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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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• A Francis turbine of an over all efficiency of 75% is required to produce 148.25 kW.
It is working under a head of 7.62 m. The peripheral velocity coefficient is 0.26
while radial velocity of flow coefficient is 0.96. the wheel runs at 150 rpm. The
hydraulic losses in the turbine are 22% of the available energy. Assuming radial
discharge :
1- guide blade angle
• 2- wheel vane angle
• 3- wheel diameter at inlet and
4- width of the wheel at inlet.
Transcribed Image Text:• A Francis turbine of an over all efficiency of 75% is required to produce 148.25 kW. It is working under a head of 7.62 m. The peripheral velocity coefficient is 0.26 while radial velocity of flow coefficient is 0.96. the wheel runs at 150 rpm. The hydraulic losses in the turbine are 22% of the available energy. Assuming radial discharge : 1- guide blade angle • 2- wheel vane angle • 3- wheel diameter at inlet and 4- width of the wheel at inlet.
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