If the water flow rate is 2 efs, and the 4 elbows have long radius and flanged, taking the major and minor losses into consideration calculate the followings: (i) The power delivered by the pump. (ii) The power consumed by the pump. The friction in the pump can be considered negligible. You may assume a reasonable value of pump efficiency to solve the problem. Viscositas -18215

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Question 2
If the water flow rate is 2 efs, and the 4 elbows have long radius and flanged, taking the
major and minor losses into consideration calculate the followings:
(i)
The power delivered by the pump.
(ii) The power consumed by the pump.
The friction in the pump can be considered negligible. You may assume a reasonable
value of pump efficiency to solve the problem.
vis cor Imag
Friction Factor
0.1
0.09
0.08
0.07
0.06
0.05
Water
T=
60°F
0.04
0.03
0.02
0.015
0.01
Elevation=30 ft
Laminar Flow
Diameter 6 in.
Irun, cast
Sewers, old
******
Material
Concrete coarse
Concrete, new smooth
Drawn tubing
Glass, Plastic Perspex
10³
L = 500 ft
0.15
3.0
0.1
Steel, mortar lined
Steel, rusted
0.5
Steel, structural or forged 0.025
Water mains, old
1.0
2 elbows are long radius 90°, flanged type
2 elbows are regular 45°, threaded
Pipe material: Cast iron (Roughness, & = 0.01 inch)
Transition Region
e (mm)
0.25
0.025
0.0025
0.0025
Elevation 10 ft
104
TK
no²
Moody Diagram
Complete Turbulence
Elevation = 60 ft
L= 1200 ft, D= 6 in.
Friction Factor = AP
⠀⠀⠀⠀⠀
105
106
Reynolds Number, Re=
Free jet
pVd
14
Smooth Pipe
107
0.05
0.04
0.03
0.02
0.015
0.01
0.005
Relative Pipe Roughness
0.002
0.001
5x10-4
2x10-4
10-4
5x10-5
10-5
5x10-6
10-6
108
{hl= (ko
Transcribed Image Text:Question 2 If the water flow rate is 2 efs, and the 4 elbows have long radius and flanged, taking the major and minor losses into consideration calculate the followings: (i) The power delivered by the pump. (ii) The power consumed by the pump. The friction in the pump can be considered negligible. You may assume a reasonable value of pump efficiency to solve the problem. vis cor Imag Friction Factor 0.1 0.09 0.08 0.07 0.06 0.05 Water T= 60°F 0.04 0.03 0.02 0.015 0.01 Elevation=30 ft Laminar Flow Diameter 6 in. Irun, cast Sewers, old ****** Material Concrete coarse Concrete, new smooth Drawn tubing Glass, Plastic Perspex 10³ L = 500 ft 0.15 3.0 0.1 Steel, mortar lined Steel, rusted 0.5 Steel, structural or forged 0.025 Water mains, old 1.0 2 elbows are long radius 90°, flanged type 2 elbows are regular 45°, threaded Pipe material: Cast iron (Roughness, & = 0.01 inch) Transition Region e (mm) 0.25 0.025 0.0025 0.0025 Elevation 10 ft 104 TK no² Moody Diagram Complete Turbulence Elevation = 60 ft L= 1200 ft, D= 6 in. Friction Factor = AP ⠀⠀⠀⠀⠀ 105 106 Reynolds Number, Re= Free jet pVd 14 Smooth Pipe 107 0.05 0.04 0.03 0.02 0.015 0.01 0.005 Relative Pipe Roughness 0.002 0.001 5x10-4 2x10-4 10-4 5x10-5 10-5 5x10-6 10-6 108 {hl= (ko
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