The difference of elevation between the top of the water of the two reservoirs is 125m. If the top of the water of reservoir B has an elevation of 25m and in between the two reservoirs there is a pump- turbine with a design flow rate in both directions of 120 cubic meter per minute and a head loss due to friction of 15m and an efficiency of 75% for both pump and turbine, Determine the ff: a. the power output by the turbine to draw water from the upper reservoir to produce power to a city and b. the power required by the pump, to pump water from the lower reservoir to the upper reservoir to restore energy to the upper reservoir.
The difference of elevation between the top of the water of the two reservoirs is 125m. If the top of the water of reservoir B has an elevation of 25m and in between the two reservoirs there is a pump- turbine with a design flow rate in both directions of 120 cubic meter per minute and a head loss due to friction of 15m and an efficiency of 75% for both pump and turbine, Determine the ff: a. the power output by the turbine to draw water from the upper reservoir to produce power to a city and b. the power required by the pump, to pump water from the lower reservoir to the upper reservoir to restore energy to the upper reservoir.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The difference of elevation between the top of the water of the two
reservoirs is 125m. If the top of the water of reservoir B has an
elevation of 25m and in between the two reservoirs there is a pump-
turbine with a design flow rate in both directions of 120 cubic meter
per minute and a head loss due to friction of 15m and an efficiency of
75% for both pump and turbine, Determine the ff:
a. the power output by the turbine to draw water from the upper
reservoir to produce power to a city and
b. the power required by the pump, to pump water from the lower
reservoir to the upper reservoir to restore energy to the upper
reservoir.
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