PROBLEM: A radial flow reaction turbine has the following characteristics: Circumferential area at entrance and exit: Act = 258 cm2 ,Aca = 180 cm2: Q = 0.1 12.5 cm, B, = 140°, ß2 = 155°, a2 = 90°, 0, 0.75, and nuyd = 92 %. Assume shockless entrance of water to blade. m nr 0.82, 25 cm, r = Find: (a) The rotative speed under these conditions, in rpm (b) (c) The hydraulic Torque, in k) The Brake Power in kW the coefficient of velocity cp1 at entrance to blade The net Head, in m. Draw the velocity diagram and label. (f)

PROBLEM: A radial flow reaction turbine has the following characteristics: Circumferential area at entrance and exit: Act = 258 cm2 ,Aca = 180 cm2: Q = 0.1 12.5 cm, B, = 140°, ß2 = 155°, a2 = 90°, 0, 0.75, and nuyd = 92 %. Assume shockless entrance of water to blade. m nr 0.82, 25 cm, r = Find: (a) The rotative speed under these conditions, in rpm (b) (c) The hydraulic Torque, in k) The Brake Power in kW the coefficient of velocity cp1 at entrance to blade The net Head, in m. Draw the velocity diagram and label. (f)

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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