A reaction turbine has guide vanes at an angle of 30° and the runner blades make an angle of 80° relative to the tangent at inlet. The blades width at the inlet is 14 of the outer diameter. The water does not have any tangential velocity at the outlet. The head is 25 m and the rotational speed of the runner is 16.67 rotations per second. The turbine efficiency is 88 %. Determine the turbine runner diameter at the inlet and the power developed.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A reaction turbine has guide vanes at an angle of 30° and the runner blades make an
angle of 80° relative to the tangent at inlet. The blades width at the inlet is 4 of the
outer diameter. The water does not have any tangential velocity at the outlet. The
head is 25 m and the rotational speed of the runner is 16.67 rotations per second. The
turbine efficiency is 88 %. Determine the turbine runner diameter at the inlet and the
power developed.
Transcribed Image Text:A reaction turbine has guide vanes at an angle of 30° and the runner blades make an angle of 80° relative to the tangent at inlet. The blades width at the inlet is 4 of the outer diameter. The water does not have any tangential velocity at the outlet. The head is 25 m and the rotational speed of the runner is 16.67 rotations per second. The turbine efficiency is 88 %. Determine the turbine runner diameter at the inlet and the power developed.
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