A Francis radial-flow hydroturbine is being designed with the following dimensions: r2 = 2.00 m, r1 = 1.42 m, b2 = 0.731 m, and b1 = 2.20 m. The runner rotates at n. = 180 rpm. The wicket gates turn the flow by angle ?2 = 30° from radial at the runner inlet, and the flow at the runner outlet is at angle ?1 = 10° from radial. The volume flow rate at design conditions is 340 m3 /s, and the gross head provided by the dam is Hgross = 90.0 m. For the preliminary design, irreversible losses are neglected. Calculate the inlet and outlet runner blade angles ?2 and ?1, respectively, and predict the power output (MW) and required net head (m). Is the design feasible? V2.1V2.V1.1V1,nControl volume

Given, A Francis radial-flow hydroturbine with the following dimensions:r2 = 2.00 m, r1= 1.42 m, b2…

Answered: V2.1 V2. V1.1 V1,n Control volume

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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A Francis radial-flow hydroturbine is being designed with the following dimensions: r₂ = 2.00 m, r₁ = 1.42 m, b₂ = 0.731 m, and b₁ = 2.20 m. The runner rotates at n^. = 180 rpm. The wicket gates turn the flow by angle ?₂ = 30° from radial at the runner inlet, and the flow at the runner outlet is at angle ?₁ = 10° from radial. The volume flow rate at design conditions is 340 m³ /s, and the gross head provided by the dam is Hgross = 90.0 m. For the preliminary design, irreversible losses are neglected. Calculate the inlet and outlet runner blade angles ?₂ and ?₁, respectively, and predict the power output (MW) and required net head (m). Is the design feasible?

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