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A Kaplan turbine delivering 4O MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the tip *

A Kaplan turbine delivering 4O MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the tip *

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A Kaplan turbine delivering 40 MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the tip O 11.75 20.3 43.7 O 52.5
Transcribed Image Text:A Kaplan turbine delivering 40 MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the tip O 11.75 20.3 43.7 O 52.5
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