Q (2) - The following data pertain to a Francis turbine: Net head = 70 m, Speed= 700 r.p.m, Shaft power = 330 kW, Overall efficiency = 85 %, Hydraulic efficiency = 92 %, Flow ratio= 0-22, Ratio of wheel width to wheel diameter at inlet = 0.1, Outer diameter of runner = 2 x inner diameter of runner, Velocity of flow constant, Outlet discharge radial. The thickness of vanes occupies 6 percent of circumferential area of the runner. Determine: (i), Diameters of runner at inlet and outlet, (ii) Width of the wheel at inlet, (iii) Guide blade angle, and (iv) Runner vane angles at inlet and outlet.

Q (2) - The following data pertain to a Francis turbine: Net head = 70 m, Speed= 700 r.p.m, Shaft power = 330 kW, Overall efficiency = 85 %, Hydraulic efficiency = 92 %, Flow ratio= 0-22, Ratio of wheel width to wheel diameter at inlet = 0.1, Outer diameter of runner = 2 x inner diameter of runner, Velocity of flow constant, Outlet discharge radial. The thickness of vanes occupies 6 percent of circumferential area of the runner. Determine: (i), Diameters of runner at inlet and outlet, (ii) Width of the wheel at inlet, (iii) Guide blade angle, and (iv) Runner vane angles at inlet and outlet.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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