Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 14, Problem 79P
To determine
The ideal power production per turbine in
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What is the turbine output of 100m head and delivering 1 cu. m/ sec in a hydro electric power plant if turbine efficiency is 88%?
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Chapter 14 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 14 - What is the more common term for an...Ch. 14 - What the primary differences between fans,...Ch. 14 - List at least two common examples of fans, of...Ch. 14 - Discuss the primary difference between a porn...Ch. 14 - Explain why there is an “extra” term in the...Ch. 14 - For a turbine, discuss the difference between...Ch. 14 - Prob. 7CPCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10CP
Ch. 14 - There are three main categories of dynamic pumps....Ch. 14 - For each statement about cow cetrifugal the...Ch. 14 - Prob. 13CPCh. 14 - Consider flow through a water pump. For each...Ch. 14 - Write the equation that defines actual (available)...Ch. 14 - Consider a typical centrifugal liquid pump. For...Ch. 14 - Prob. 17CPCh. 14 - Consider steady, incompressible flow through two...Ch. 14 - Prob. 19CPCh. 14 - Prob. 20PCh. 14 - Suppose the pump of Fig. P1 4-19C is situated...Ch. 14 - Prob. 22PCh. 14 - Prob. 23EPCh. 14 - Consider the flow system sketched in Fig. PI 4-24....Ch. 14 - Prob. 25PCh. 14 - Repeat Prob. 14-25, but with a rough pipe-pipe...Ch. 14 - Consider the piping system of Fig. P14—24. with...Ch. 14 - The performance data for a centrifugal water pump...Ch. 14 - For the centrifugal water pump of Prob. 14-29,...Ch. 14 - Suppose the pump of Probs. 14-29 and 14-30 is used...Ch. 14 - Suppose you are looking into purchasing a water...Ch. 14 - The performance data of a water pump follow the...Ch. 14 - For the application at hand, the flow rate of...Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - For the pump and piping system of Prob. 14-35E,...Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - Suppose that the free surface of the inlet...Ch. 14 - Calculate the volume flow rate between the...Ch. 14 - Comparing the results of Probs. 14-39 and 14-43,...Ch. 14 - Prob. 45PCh. 14 - The performance data for a centrifugal water pump...Ch. 14 - Transform each column of the pump performance data...Ch. 14 - 14-51 A local ventilation system (a hood and duct...Ch. 14 - Prob. 52PCh. 14 - Repeat Prob. 14-51, ignoring all minor losses. How...Ch. 14 - Suppose the one- way of Fig. P14-51 malfunctions...Ch. 14 - A local ventilation system (a hood and duct...Ch. 14 - For the duct system and fan of Prob. 14-55E,...Ch. 14 - Repeat Prob. 14-55E, ignoring all minor losses....Ch. 14 - A self-priming centrifugal pump is used to pump...Ch. 14 - Repeat Prob. 14-60. but at a water temperature of...Ch. 14 - Repeat Prob. 14-60, but with the pipe diameter...Ch. 14 - Prob. 63EPCh. 14 - Prob. 64EPCh. 14 - Prob. 66PCh. 14 - Prob. 67PCh. 14 - Prob. 68PCh. 14 - Prob. 69PCh. 14 - Two water pumps are arranged in Series. The...Ch. 14 - The same two water pumps of Prob. 14-70 are...Ch. 14 - Prob. 72CPCh. 14 - Name and briefly describe the differences between...Ch. 14 - Discuss the meaning of reverse swirl in reaction...Ch. 14 - Prob. 75CPCh. 14 - Prob. 76CPCh. 14 - Prob. 77PCh. 14 - Prob. 78PCh. 14 - Prob. 79PCh. 14 - Prob. 80PCh. 14 - Wind ( =1.204kg/m3 ) blows through a HAWT wind...Ch. 14 - Prob. 82PCh. 14 - Prob. 84CPCh. 14 - A Francis radial-flow hydroturbine has the...Ch. 14 - Prob. 87PCh. 14 - Prob. 88PCh. 14 - Prob. 89PCh. 14 - Prob. 90CPCh. 14 - Prob. 91CPCh. 14 - Discuss which dimensionless pump performance...Ch. 14 - Prob. 93CPCh. 14 - Prob. 94PCh. 14 - Prob. 95PCh. 14 - Prob. 96PCh. 14 - Prob. 97PCh. 14 - Prob. 98PCh. 14 - Prob. 99PCh. 14 - Prob. 100EPCh. 14 - Prob. 101PCh. 14 - Calculate the pump specific speed of the pump of...Ch. 14 - Prob. 103PCh. 14 - Prob. 104PCh. 14 - Prob. 105PCh. 14 - Prob. 106PCh. 14 - Prob. 107EPCh. 14 - Prob. 108PCh. 14 - Prob. 109PCh. 14 - Prob. 110PCh. 14 - Prove that the model turbine (Prob. 14-109) and...Ch. 14 - Prob. 112PCh. 14 - Prob. 113PCh. 14 - Prob. 114PCh. 14 - Prob. 115CPCh. 14 - Prob. 116CPCh. 14 - Prob. 117CPCh. 14 - Prob. 118PCh. 14 - For two dynamically similar pumps, manipulate the...Ch. 14 - Prob. 120PCh. 14 - Prob. 121PCh. 14 - Prob. 122PCh. 14 - Calculate and compare the turbine specific speed...Ch. 14 - Prob. 124PCh. 14 - Prob. 125PCh. 14 - Prob. 126PCh. 14 - Prob. 127PCh. 14 - Prob. 128PCh. 14 - Prob. 129PCh. 14 - Prob. 130PCh. 14 - Prob. 131PCh. 14 - Prob. 132PCh. 14 - Prob. 133PCh. 14 - Prob. 134PCh. 14 - Prob. 135PCh. 14 - A two-lobe rotary positive-displacement pump moves...Ch. 14 - Prob. 137PCh. 14 - Prob. 138PCh. 14 - Prob. 139PCh. 14 - Prob. 140PCh. 14 - Which choice is correct for the comparison of the...Ch. 14 - Prob. 142PCh. 14 - In a hydroelectric power plant, water flows...Ch. 14 - Prob. 144PCh. 14 - Prob. 145PCh. 14 - Prob. 146PCh. 14 - Prob. 147PCh. 14 - Prob. 148PCh. 14 - Prob. 149PCh. 14 - Prob. 150PCh. 14 - Prob. 151P
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- When mechanical energy is illustrated by an ideal hydraulic turbine coupled with an ideal generator, explain it briefly?arrow_forwardA turbine of Kaplan type operates under a dam on height of 30m, the discharge of water equal to 180m3/sec. the efficiency overall is 92%. Calculates the power produced by this turbine.arrow_forwardExample: A 100MW hydro-electric station is supplying full load for 10 hours in a day. Calculate the volume of water which has been used. Assume effective head of water as 200 m and efficiency of the station is 80%.arrow_forward
- Data from a certain hydroelectric power plant that uses Francis turbines are as follows: head water elevation of 60 m; tail water elevation of 15 m; head losses thru penstock of about 3 m; flow thru penstock at 3 cumex; hydraulic efficiency of turbine at 97%; mechanical efficiency of turbine at 96%; volumetric efficiency of turbine at 98%; and generator efficiency of 96%. Calculate the electrical power generated in kW.arrow_forwardA Kaplan turbine runner has a diameter of 5 m, and the turbine/generator assembly has an efficiency of 80%. (a) What is the velocity of water required to produce an output of 1 MWe? (b) What is the flow rate in kg/s of water through the turbine?arrow_forwardThe proposed hydroelectric power plant has the following data: Normal head water surface, 197 m, Normal tail water surface, 35 m, Loss of head due to friction, 5% of the gross head, Turbine discharge at full gate opening, 70 m 3 /s, Turbine Efficiency, 90 %, Variation in head, 5 m. Three turbines are to be installed with one twice the capacity of each of the other two similar units all having the same efficiency. Determine: The type of turbine to be used. The capacity of each turbine.arrow_forward
- Sketch and discuss in great detail the different pump curves including supply curve, system curve and efficiency curve.arrow_forwardA hydro electric plant having 30 sq. km reservoir area and 100 m head is used to generate power. The energy utilized by theconsumers whose load is connected to the power plant during a five-hour period is 13.5 x 106kwh. The overall generation efficiency is75%. Find the fall in the height of water in the reservoir after the 5-hour period.a. 5.13 mb. 1.32 mc. 3.21md. 2.20 m*arrow_forwarda hydraulic turbine receives water froma reservor at an elevation of 100 meter above it. what is the minimum water flow in (kg/sce) to produce a steady turbine output of 50 mw?arrow_forward
- A hydroturbine operates on a stream in which 100kg/s of water flows. Estimate the maximum power output if the turbines is in a dam with a distance of 40 m from the surface of the reservoir to the surface of the backwater. a. 8.88W b. 16.55kW c. 39.24kW d. 58.22kWarrow_forwardPlease i need this quicklyarrow_forwardQue 4.35. A reaction turbine is revolving at a speed of 200 rpm and develops 5886 kW SP when working under a head of 200 m with an overall efficiency of 80 %. Determine unit speed, unit discharge and unit power. The speed ratio for the turbine is given as 0.48. Find the speed, discharge and power when this turbine is working under a head of 150 m.arrow_forward
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