Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Problem 6.123
As shown in the figure below, water behind a dam enters an intake pipe at a pressure of 24 psia and velocity of 5 ft/s, flows through a hydraulic turbine-generator, and exits at a point z₁
= 140ft below the intake at 19 psia, 45 ft/s, and a specific volume of 0.01602 ft3/lb. The diameter of the exit pipe is 5 ft and the local acceleration of gravity is 32.2 ft/s².
Value $
Water
/day
P₁ = 24 psia
V₁ = 5 ft/s
2₂
Dam
Turbine
Generatorj
P₂ = 19 psia
22=0.01602 ft³/lb
V₂=45 ft/s
D₂=5 ft
Evaluating the electricity generated at 8.5 cents per kWh, determine the value of the power produced, in $/day, for operation at steady state and in the absence of internal
irreversibilities.
Water
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Transcribed Image Text:Problem 6.123 As shown in the figure below, water behind a dam enters an intake pipe at a pressure of 24 psia and velocity of 5 ft/s, flows through a hydraulic turbine-generator, and exits at a point z₁ = 140ft below the intake at 19 psia, 45 ft/s, and a specific volume of 0.01602 ft3/lb. The diameter of the exit pipe is 5 ft and the local acceleration of gravity is 32.2 ft/s². Value $ Water /day P₁ = 24 psia V₁ = 5 ft/s 2₂ Dam Turbine Generatorj P₂ = 19 psia 22=0.01602 ft³/lb V₂=45 ft/s D₂=5 ft Evaluating the electricity generated at 8.5 cents per kWh, determine the value of the power produced, in $/day, for operation at steady state and in the absence of internal irreversibilities. Water
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