The pump-turbine system in Figure 4 draws the water from the upper reservoir in the daytime to produce power for a city. At night, it pumps water from lower to upper reservoir to restore the situation. For the design flow rate of 0.157m3/s, the friction head loss, hL=4vA2/(2g).
- Determine the jet velocity at A.
- Find the friction head loss in the system.
- Estimate the energy head in meters delivered by the pump at night.
- Estimate the power in kW delivered by the pump at night.
- Estimate the power in kW extracted for the city usage by the turbine during the day.
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The pump-turbine system in Figure 4 draws the water from the upper reservoir in the daytime to pr...
Please answer all the parts. 1. During the daytime, water is drawn from an upper reservoir...
Please answer all the parts.
1. During the daytime, water is drawn from an upper reservoir and is run through a turbine on its way to a lower reservoir in order to produce power for a town. At night, the water is pumped back up to the upper reservoir in order to replenish the upper reservoir. Assume that the heat loss rate due to friction is 65 hp (going either up or down) and that the internal energy change is...
4. Water is to be moved from one large reservoir to another a higher elevation as...
4. Water is to be moved from one large reservoir to another a higher elevation as indicated in the V 2 Figure. The flow rate, Q =2 ft/s and the head loss hi = 60 where Vis the average velocity. 2g the pump power required 15000 ft.Ib/s. Determine the pump head loss hp. Section (2) p=1.94 slugs/ft P2 = P1 = V1 = V2 = 0 8-in. inside- diameter pipe 50 ft Section (1) Pump P v + + Z1+...
Problem 4: Water is being discharged from a reservoir through a turbine, as shown in figure...
Problem 4: Water is being discharged from a reservoir through a turbine, as shown in figure below. The head loss for the 300-mm pipeline is 0.05 m/m (0.05 m per meter of pipe), and it is 0.0017 m/m for the 600-mm pipe a) Determine the elevation of the water surface in the reservoir that should be required in order for the turbine to generate 56 kW of power b) What would be the water elevation required in the reservoir if...
7.14 The pump in Fig. 7.20 delivers water from the lower to the upper reservoir at the rate of 0.057 m3/s. The energy loss between the suction pipe inlet and the pump is 1.83 m and that between t...
7.14 The pump in Fig. 7.20 delivers water from the lower to the upper reservoir at the rate of 0.057 m3/s. The energy loss between the suction pipe inlet and the pump is 1.83 m and that between the pump outlet and the upper reservoir is 3.66 m. Both pipes are 6-in Schedule 40 steel pipe. Calculate (a) the pressure at the pump inlet, (b) the pressure at the pump outlet, (c) the total head on the pump, and (d)...
Pump Water To double the outflow of a reservoir, a pump is added as shown in the Figure above. Th...
Pump Water To double the outflow of a reservoir, a pump is added as shown in the Figure above. The head in the reservoir is H 5 m, the pipe diameter is D-0.3 m and the the total length of the pipe system system is L-90 m. For reference, the density of water is given by Pwater 998.2 kg/m3 and the acceleration due to gravity is given by g 9.81 mls2 Please provide your answers to 2 significant figures. (a)...
Find Pipe Velocity, volumetric flow rate, head delivered by pump and convert to Kj/s. Head loss...
Find Pipe Velocity, volumetric
flow rate, head delivered by pump and convert to Kj/s. Head loss is
50m or 27V^2/2g
Z2=100m
dit View Favorites Tools Help ¡Southwest Airlines My Ac., ?? Web Slice Gallery ? Zi-70 ml D-0.25 m Pump Click to see additional instructions In the figure, water is pumped from a lower reservoir to a higher reservoir through a pipe at a steady rate of flow. The pipe head loss is g Determine the pipe velocity, in units...
2. (20 points) The pump shown in the figure pumps 1.5ft/s of water from the reservoir...
2. (20 points) The pump shown in the figure pumps 1.5ft/s of water from the reservoir with H-50ft. The head loss associated with this flow is 10ft. Specific weight of water y equals 62.41b/ft';g 32.2ft/s2. The pipe diameter is constant and equals D' C2 iches) . Compute the power in horsepower necessary to run the pump. . Sketch the energy and the hydraulic grade line. free jet
Q4. A pump draws water from a large reservoir and delivers it to another reservoir whose water surface is 10 m higher than the pump centreline and that the pump is 1.5 meter above the suction reservo...
Q4. A pump draws water from a large reservoir and delivers it to another reservoir whose water surface is 10 m higher than the pump centreline and that the pump is 1.5 meter above the suction reservoir. The total suction and deliver pipe used is 21.1 m in length, 9 cm in diameter and has a Darcy friction factor f0.0339. The pump operates at 750 rpm and its characteristic performances are given in table below: Q (m3 s H (m)15...
In a hydroelectric power station, the turbine is driven by water flowing from a reservoir at...
In a hydroelectric power station, the turbine is driven by water flowing from a reservoir at the rate of 551 m s. The water is pumped through a pipe 2.06 km long of 2.53 m intemal diameter with a friction factor of 0.004. The water is assumed to have a kinematic viscosity of 13x10 mʻls. The elevation of the upper reservoir above sea level is 400 m and that of the lower reservoir is 40 m. Determine the following Mean...
1 Award: 10.00 points used to pump water from one large reservoir to another large reservoir that is at a higher elevat...
1 Award: 10.00 points used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs A water pump as sketched. The dimensions are provided in the fiqure, but all minor losses are neglected. The elevation difference is 10.85 m. The pump's performance is approximated by the expression exposed to atmospheric pressure Havailable = Ho- aV2 water column, coefficient a 0.0678 m/Lpm2, the available pump head Havailable is...
Please answer all the parts.
1. During the daytime, water is drawn from an upper reservoir and is run through a turbine on its way to a lower reservoir in order to produce power for a town. At night, the water is pumped back up to the upper reservoir in order to replenish the upper reservoir. Assume that the heat loss rate due to friction is 65 hp (going either up or down) and that the internal energy change is...
4. Water is to be moved from one large reservoir to another a higher elevation as indicated in the V 2 Figure. The flow rate, Q =2 ft/s and the head loss hi = 60 where Vis the average velocity. 2g the pump power required 15000 ft.Ib/s. Determine the pump head loss hp. Section (2) p=1.94 slugs/ft P2 = P1 = V1 = V2 = 0 8-in. inside- diameter pipe 50 ft Section (1) Pump P v + + Z1+...
Problem 4: Water is being discharged from a reservoir through a turbine, as shown in figure below. The head loss for the 300-mm pipeline is 0.05 m/m (0.05 m per meter of pipe), and it is 0.0017 m/m for the 600-mm pipe a) Determine the elevation of the water surface in the reservoir that should be required in order for the turbine to generate 56 kW of power b) What would be the water elevation required in the reservoir if...
7.14 The pump in Fig. 7.20 delivers water from the lower to the upper reservoir at the rate of 0.057 m3/s. The energy loss between the suction pipe inlet and the pump is 1.83 m and that between the pump outlet and the upper reservoir is 3.66 m. Both pipes are 6-in Schedule 40 steel pipe. Calculate (a) the pressure at the pump inlet, (b) the pressure at the pump outlet, (c) the total head on the pump, and (d)...
Pump Water To double the outflow of a reservoir, a pump is added as shown in the Figure above. The head in the reservoir is H 5 m, the pipe diameter is D-0.3 m and the the total length of the pipe system system is L-90 m. For reference, the density of water is given by Pwater 998.2 kg/m3 and the acceleration due to gravity is given by g 9.81 mls2 Please provide your answers to 2 significant figures. (a)...
Find Pipe Velocity, volumetric
flow rate, head delivered by pump and convert to Kj/s. Head loss is
50m or 27V^2/2g
Z2=100m
dit View Favorites Tools Help ¡Southwest Airlines My Ac., ?? Web Slice Gallery ? Zi-70 ml D-0.25 m Pump Click to see additional instructions In the figure, water is pumped from a lower reservoir to a higher reservoir through a pipe at a steady rate of flow. The pipe head loss is g Determine the pipe velocity, in units...
2. (20 points) The pump shown in the figure pumps 1.5ft/s of water from the reservoir with H-50ft. The head loss associated with this flow is 10ft. Specific weight of water y equals 62.41b/ft';g 32.2ft/s2. The pipe diameter is constant and equals D' C2 iches) . Compute the power in horsepower necessary to run the pump. . Sketch the energy and the hydraulic grade line. free jet
Q4. A pump draws water from a large reservoir and delivers it to another reservoir whose water surface is 10 m higher than the pump centreline and that the pump is 1.5 meter above the suction reservoir. The total suction and deliver pipe used is 21.1 m in length, 9 cm in diameter and has a Darcy friction factor f0.0339. The pump operates at 750 rpm and its characteristic performances are given in table below: Q (m3 s H (m)15...
In a hydroelectric power station, the turbine is driven by water flowing from a reservoir at the rate of 551 m s. The water is pumped through a pipe 2.06 km long of 2.53 m intemal diameter with a friction factor of 0.004. The water is assumed to have a kinematic viscosity of 13x10 mʻls. The elevation of the upper reservoir above sea level is 400 m and that of the lower reservoir is 40 m. Determine the following Mean...
1 Award: 10.00 points used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs A water pump as sketched. The dimensions are provided in the fiqure, but all minor losses are neglected. The elevation difference is 10.85 m. The pump's performance is approximated by the expression exposed to atmospheric pressure Havailable = Ho- aV2 water column, coefficient a 0.0678 m/Lpm2, the available pump head Havailable is...
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