Refer to the hydroelectric plant as shown in the figure. Determine the amount of power transferred from the water to the turbine blades. The discharge at B is 1.7 m³/s and the pipe diameter (also at B) is 300 mm. Assume a 4 m frictional head loss through the penstock, turbine, and the pipe. The power can be calculated by W = Qyh. heurbine Wturbine m/s m ᎨᎳ . 60m D=300mm FENSTOCK 18 GENERAS CAMASUTRESS B YOP

Refer to the hydroelectric plant as shown in the figure. Determine the amount of power transferred from the water to the turbine blades. The discharge at B is 1.7 m³/s and the pipe diameter (also at B) is 300 mm. Assume a 4 m frictional head loss through the penstock, turbine, and the pipe. The power can be calculated by W = Qyh. heurbine Wturbine m/s m ᎨᎳ . 60m D=300mm FENSTOCK 18 GENERAS CAMASUTRESS B YOP

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Express your solution in 4 decimal places.
8. Find the amount of power (KW) derived by the turbine from the system on figure shown. Losses in the system, exclusive of the turbine 4V2/2g. The discharge or flow in the pipe is 25cu.m./s WATER 3.0mø WATER
Complete solution and correct units pls. Thanks
Situation 1 The 60 cm pipe conducts water from reservoir A to a pressure turbine which discharges through another 60 cm pipe into tailrace B. The head losses are: From A-1 : From 2-B : 0.2 Heo cm g If the discharge is 0.70 m3 /sec: 1. Determine the head extracted by the turbine (HE) in meters. 2. Solve for the input power of the turbine (Pinput or Pturbine) in kW. 3. At 90% efficiency, compute for the output power (Poutput) for electricity in kW.
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The water is pumped to a higher elevation. diameter = 450 mm pressure = 250 kPa (it is maintained at the summit point) *Summit point = the pipe is 110 meters above the water reservoir* Q (discharge) = 1.56 m^3/sec Total loss due to friction = 8 m Determine the output power that must be furnished to the water. Kindly refer to the figure below.
A hydroelectric power plant operates under a discharge of 500 cfs with 90 % turbine efficiency. The overall head loss is 1.5 times the velocity head in the 7-ft-diameter penstock. With the conditions stated, determine the following: (a.) the power input (hp) to the turbine, and (b.) the power output (hp) expected from the turbine. 30 ft Water d = 7 ft 5 ft
3. A pump draws water at 300 liters per second from reservoir A and lifts it to reservoir B as shown. The head loss from A to 1 is 20 times the velocity head in the 200 mm diameter and the head loss from 2 to B is 20 times the velocity head in the 150-mm diameter pipe. Assume your own reservoir B elevation then compute for the energy that must be supplied to the pump in kW if said appurtenance has an efficiency of 80%. Compute also the pressure at points 1 and 2. Reservoir A 200 mm pipe Pump 150 mm Reservoir B
3. A pump draws water at 300 liters per second from reservoir A and lifts it to reservoir B as shown. The head loss from A to 1 is 20 times the velocity head in the 200 mm diameter and the head loss from 2 to B is 20 times the velocity head in the 150-mm diameter pipe. Assume your own reservoir B elevation then compute for the energy that must be supplied to the pump in kW if said appurtenance has an efficiency of 80%. Compute also the pressure at points 1 and 2. Reservoir A 200 mm pipe Elevation=-20 m Point 1 Point 2 Pump 150 mm A Reservoir B
The 600 mm pipe shown conducts water from reservoir A to a pressure turbine, which discharges through another 600 mm o pipe into tail race B. The head lost from A to 1 is 5 times the velocity head in the pipe and the head lost from 2 to B is 0.2 times the velocity head in in the pipe. If the discharge is 700 L/s A) Compute for the total head lost 1. 05: Compute for the extracted energy cause by the turbine Compute for the hp given up by the turbine. V Answer A) EL 60m 600 mm 1.63 m 58.37 m 537.3 hp 600 mm o B ▷ EL 0 m
A 90% efficient pump lifts water from a lower reservoir a shown in the figure. The head loss in the 150mm pipe is 3 times the velocity head in that pipe and the head loss in the 100mm pipe is 20 timew the velocity head in that pipe. A.If the desired flow rate is 20L/s ehat shoukd be the powet input of the pump in Kw? Choices: 42.9,28.8,32.0,38.6 B.Compute the pressure head, in m of water, at the suction line before the pump Choices: 12.39,10.29,9.74,7.56 C.Compute the pressure head,in m of water, at the discharge line right after the pump. Choices: 156.26,136.80,139.53,145.20