Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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- At a proposed hydroelectric power plant site, the average elevation of headwater is 600m and the tailwater elevation is 480m. The average annual water flow is determined to be equal to that volume flowing through a rectangular channel 4m wide and 0.5m deep and average velocity of 5.5m/s. Assuming the plant will operate 350 days/year, find the energy kwh that the plant site can developed if the hydraulic turbine that will be used has an efficiency of 78% and generator efficiency of 90%. Consider a headwork loss of 4% of the available head.arrow_forwardA centrifugal pump discharging 10 lps against 25 m of head and operating with an efficiency of 60% requires 4.1 kW at 1000 rpm. What is the theoretical discharge if the speed is increased to 1500 rpm assuming the efficiency remains constant? What is the theoretical head and kW at 1500 rpm?arrow_forwardThe flow of a river is 150 cubic feet per second at a site where a 75 feet hydrostatic head canbe created by the erection of a dam. What is the potential capacity (in kW) of a hydroelectricpower plant if installed at this site? Consider that hydraulic efficiency of energy conversioncan be 80%, and that the electric efficiency can be 90%.arrow_forward
- Discuss the benefits of pumped storage hydropower (PSH).arrow_forwardRead the question carefully and give me right solution with clear calculations. Note: If you don't know the solution please leave it but don't give me wrong solution. At a river a suitable site for a run-of-the river installation has an available head of 13 m between the water intake and the turbine house. Environmental guidelines permit to extract water for hydropower only if it is in excess of 2.8 m3/s. Estimate the power generated in kW when the flow in the river is 10.9 m3/s for a turbine with an efficiency of 90%. Present the answer as integer in kW.arrow_forwardFrom the test specifications given in Table 5.2(attached), show that thecompactive energy in method C is 2700 kN. m/m3.arrow_forward
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