PROBLEM: A nozzle having a velocity coefficient of 0.98 discharges a jet 15 cm in diameter under a head of 270 m. The average nozzle angle is a, = 15°. The wheel diameter is 2.45 m, B2 = 20°.k = 0.5. The mechanical efficiency is 97%. The peripheral velocity of the wheel is designed for maximum efficiency. e) The relative velocity of water exiting the blade. ) Determine the velocity of whirl, in m/sec. 9) Compute for the flow through turbine, in h) Find for the Nozzle-Bucket efficiency, in per cent. i) Solve for the Turbine Gross efficiency. j) Draw a velocity diagram. And label.
PROBLEM: A nozzle having a velocity coefficient of 0.98 discharges a jet 15 cm in diameter under a head of 270 m. The average nozzle angle is a, = 15°. The wheel diameter is 2.45 m, B2 = 20°.k = 0.5. The mechanical efficiency is 97%. The peripheral velocity of the wheel is designed for maximum efficiency. e) The relative velocity of water exiting the blade. ) Determine the velocity of whirl, in m/sec. 9) Compute for the flow through turbine, in h) Find for the Nozzle-Bucket efficiency, in per cent. i) Solve for the Turbine Gross efficiency. j) Draw a velocity diagram. And label.
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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