Q2) Design a Francis turbine with the following specifications: Head available 68m Speed Power output Hydraulic efficiency Overall efficiency Flow ratio X 750 rpm 330kw 94% 85% 0. 15 0.1 Breadth to diameter ratio at inlet Outer to inner diameter ratio 1/2 Assume 6% of circumferential area of runner occupied by thickness of vanes and flow velocity remains constant and flow is radial at exit.

Q2) Design a Francis turbine with the following specifications: Head available 68m Speed Power output Hydraulic efficiency Overall efficiency Flow ratio X 750 rpm 330kw 94% 85% 0. 15 0.1 Breadth to diameter ratio at inlet Outer to inner diameter ratio 1/2 Assume 6% of circumferential area of runner occupied by thickness of vanes and flow velocity remains constant and flow is radial at exit.

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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An axial flow turbine is operated at a pressureof 24m and develops 24,2MW when rotating at 146 r/min. The tips of the blades are on a diameter of 4.72m and hub diameter is 2,1m. If the hydraulic is 94% and the overall efficiency 88%, determine the inlet and exit angles of the blades at the mean radius. Assume free vortex flow towards the rotor and conditions for maximum power
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