The guide vanes angles of a Francis water turbine make 20° with the tangent at entry. The runner vanes angle at entry is 70°. The external diameter of the runner is 450 mm and the internal diameter is 300 mm. The width at entry is 65 mm and at exit is 100 mm. The discharge is radial at runner exit. Find: a) The blade angle at exit. b) If the turbine efficiency is 83%, find the head should be supplied to obtain a speed of 300 rpm.

The guide vanes angles of a Francis water turbine make 20° with the tangent at entry. The runner vanes angle at entry is 70°. The external diameter of the runner is 450 mm and the internal diameter is 300 mm. The width at entry is 65 mm and at exit is 100 mm. The discharge is radial at runner exit. Find: a) The blade angle at exit. b) If the turbine efficiency is 83%, find the head should be supplied to obtain a speed of 300 rpm.

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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