Using data given below, determine the main dimensions and blade angles of a Francis turbine. Net head%3D65 m, speed%3D 700 rpm, BHP= 400. Actual hydraulic efficiency= 94%, overall efficiency= 85%, flow ratio= 0.18, wheel width at inlet/ wheel diameter at inlet=D0.1, inner diameter/ outer diameter= 0.5. Assuming constant velocity of flow and radial discharge. Neglect area :blocked by blades. Vane angle at inlet

Using data given below, determine the main dimensions and blade angles of a Francis turbine. Net head%3D65 m, speed%3D 700 rpm, BHP= 400. Actual hydraulic efficiency= 94%, overall efficiency= 85%, flow ratio= 0.18, wheel width at inlet/ wheel diameter at inlet=D0.1, inner diameter/ outer diameter= 0.5. Assuming constant velocity of flow and radial discharge. Neglect area :blocked by blades. Vane angle at inlet

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

(2) cislai Using data given below, determine the main dimensions and blade angles
of a Francis turbine. Net head=65 m, speed= 700 rpm, BHP= 400. Actual
hydraulic efficiency= 94%, overall efficiency= 85%, flow ratio= 0.18, wheel
width at inlet/ wheel diameter at inlet=D0.1, inner diameter/ outer diameter=
0.5. Assuming constant velocity of flow and radial discharge. Neglect area
:blocked by blades. Vane angle at inlet
27° 39
33° 53
41° 82
52° 56

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