A radial flow reaction turbine has the following characteristics: Circumferential area at entrance and exit: Ag = 258 cm? , Aca = 180 cm2 ; Q = 0.1.n, = 0.82, = 25 cm, r = 12.5 cm, B, = 140°, Bz = 155°, a, = 90°, o, = 0.75, and nwyd = 92 %. Assume shockless entrance of water to blade. Find: (a) The rotative speed under these conditions, in rpm (b) The hydraulic Torque, in k) The Brake Power in kW (c) (d) the coefficient of velocity c at entrance to blade (e) The net Head, in m. (1) Draw the velocity diagram and label.

A radial flow reaction turbine has the following characteristics: Circumferential area at entrance and exit: Ag = 258 cm? , Aca = 180 cm2 ; Q = 0.1.n, = 0.82, = 25 cm, r = 12.5 cm, B, = 140°, Bz = 155°, a, = 90°, o, = 0.75, and nwyd = 92 %. Assume shockless entrance of water to blade. Find: (a) The rotative speed under these conditions, in rpm (b) The hydraulic Torque, in k) The Brake Power in kW (c) (d) the coefficient of velocity c at entrance to blade (e) The net Head, in m. (1) Draw the 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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