CONSEQUENCES OF FLUID FLOW
TOTAL HEAD LOSS PRACTICE PROBLEM
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW
CONSEQUENCES OF FLUID FLOW
The DARCY-WEISBACH EQUATION can be referenced on Page 106 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
The DARCY-WEISBACH EQUATION can be referenced on Page 106 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: FRICTION FACTOR DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: FRICTION FACTOR DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g
LENGTH OF PIPE RUN
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: FRICTION FACTOR DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g
LENGTH OF PIPE RUN VELOCITY
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: FRICTION FACTOR DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g
LENGTH OF PIPE RUN VELOCITY
LOCAL GRAVITY
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: FRICTION FACTOR DARCY-WEISBACH EQUATION: HEAD LOSS
L v2 hf = f D 2g DIAMETER OF PIPE LOCAL GRAVITY
LENGTH OF PIPE RUN VELOCITY
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
GIVEN:
Exit, C = 1.06
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0218 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: 1.6 gps
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0218 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: 1.6 gps
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
Pipe Roughness: .00085 ft
CONVERSION FROM gps TO
ft3/s:
Area of Pipe: .0218 ft2
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: 1.6 gps
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
Pipe Roughness: .00085 ft
CONVERSION FROM gps TO
Gal ⎛ .134 ft 3 ⎞ 1.6 sec ⎜⎝ 1 Gal ⎟⎠
ft3/s:
Area of Pipe: .0218 ft2
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: 1.6 gps
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
Pipe Roughness: .00085 ft
CONVERSION FROM gps TO
ft3/s:
Gal ⎛ .134 ft 3 ⎞ 3 1.6 = .212 ft /s ⎜ ⎟ sec ⎝ 1 Gal ⎠
Area of Pipe: .0218 ft2
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: DARCY-WEISBACH EQUATION:
L v2 hf = f D 2g
Pipe Roughness: .00085 ft
CONVERSION FROM gps TO
ft3/s:
Gal ⎛ .134 ft 3 ⎞ 3 1.6 = .212 ft /s ⎜ ⎟ sec ⎝ 1 Gal ⎠
Area of Pipe: .0218 ft2
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0218 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0218 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0218 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.72 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.72 ft/s
Q = Av
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.72 ft/s
Q = Av
Reynolds Number: 115,123
AREA:
πd A= 4
Kinematic Viscosity: 1.41x10-5 ft2/s
Friction Factor: .03
2
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.72 ft/s
Q = Av
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
AREA:
πd A= 4
Friction Factor: .03
2
π (.167 ft) A= 4
2
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.72 ft/s
Q = Av
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
AREA:
πd A= 4
Friction Factor: .03
2
π (.167 ft) 2 A= = .0219 ft 4 2
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.72 ft/s
Q = Av
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
AREA:
πd A= 4
Friction Factor: .03
2
π (.167 ft) 2 A= = .0219 ft 4 2
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.68 ft/s
Q = Av
.212 ft 3 /s = (.0219 ft 2 )v
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.68 ft/s
Q = Av
.212 ft 3 /s = (.0219 ft 2 )v
.212 ft 3 /s v= (.0219 m 2 )
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.68 ft/s
Q = Av
.212 ft 3 /s = (.0219 ft 2 )v
.212 ft 3 /s v= = 9.68 ft/s 2 (.0219 m )
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
CONTINUITY:
Velocity in Pipe: 9.68 ft/s
Q = Av
.212 ft 3 /s = (.0219 ft 2 )v
.212 ft 3 /s v= = 9.68 ft/s 2 (.0219 m )
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
CONSEQUENCES OF FLUID FLOW
PROPERTIES OF WATER at various temperatures can be referenced on Page 114 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
PROPERTIES OF WATER at various temperatures can be referenced on Page 114 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 115,123
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
REYNOLDS NUMBER:
vDρ vD Re = = µ υ
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
REYNOLDS NUMBER:
vDρ vD Re = = µ υ
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
REYNOLDS NUMBER:
vDρ vD (9.68 ft/s)(.167 ft) Re = = = µ υ 1.41x10 -5 ft 2 /s
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
REYNOLDS NUMBER:
Velocity in Pipe: 9.68 ft/s
vDρ vD (9.68 ft/s)(.167 ft) -5 ft2/s
Re = = = = 114,650 Kinematic Viscosity: 1.41x10 µ υ 1.41x10 -5 ft 2 /s Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
REYNOLDS NUMBER:
Velocity in Pipe: 9.68 ft/s
vDρ vD (9.68 ft/s)(.167 ft) -5 ft2/s
Re = = = = 114,650 Kinematic Viscosity: 1.41x10 µ υ 1.41x10 -5 ft 2 /s Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
RELATIVE ROUGHNESS:
ε D
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
RELATIVE ROUGHNESS:
ε D
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
RELATIVE ROUGHNESS:
ε .00085 ft = D .167 ft
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
RELATIVE ROUGHNESS:
ε .00085 ft = = .005 D .167 ft
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW
The MOODY (STANTON) DIAGRAM can be referenced on Page 115 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
L v2 hf = f D 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
2 ⎛ ⎞ L v2 290 ft (9.68 ft/s) ⎛ ⎞ hf = f = .03 2 ⎟ ⎜ ⎝ ⎠ D 2g .167 ft ⎝ 2(32.2 ft/s ) ⎠
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
2 ⎛ ⎞ L v2 290 ft (9.68 ft/s) ⎛ ⎞ hf = f = .03 = 75.6 ft 2 ⎟ ⎜ ⎝ .167 ft ⎠ ⎝ 2(32.2 ft/s ) ⎠ D 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION:
Area of Pipe: .0219 ft2
2 ⎛ ⎞ L v2 290 ft (9.68 ft/s) ⎛ ⎞ hf = f = .03 = 75.6 ft 2 ⎟ ⎜ ⎝ .167 ft ⎠ ⎝ 2(32.2 ft/s ) ⎠ D 2g
Velocity in Pipe: 9.68 ft/s
hf = 75.6 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
The DARCY-WEISBACH EQUATION can be referenced on Page 106 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
v2 =C 2g
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES: HEAD LOSS
h f , fitting
v2 =C 2g
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
LOSS COEFFICIENT MINOR LOSSES: HEAD LOSS
h f , fitting
v2 =C 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
LOSS COEFFICIENT MINOR LOSSES: HEAD LOSS VELOCITY 2 v h f , fitting = C 2g
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
LOSS COEFFICIENT MINOR LOSSES: HEAD LOSS VELOCITY 2 v h f , fitting = C 2g LOCAL GRAVITY
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
v2 =C 2g
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
v2 =C 2g
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
Kinematic Viscosity: 1.41x10-5 ft2/s
⎛ (9.86 m/s)2 ⎞ ⎛ (9.86 m/s)2 ⎞ ⎛ (9.86 m/s)2 ⎞ v2 =C = (.5) ⎜ + (.3) ⎜ + (.3) ⎜ 2 ⎟ 2 ⎟ 2 ⎟ 2g 2(32.2 m/s ) 2(32.2 m/s ) 2(32.2 m/s )⎠ ⎝ ⎠ ⎝ ⎠ ⎝ ⎛ (9.86 m/s)2 ⎞ ⎛ (9.86 m/s)2 ⎞ +(.2) ⎜ + (1.06) ⎜ 2 ⎟ ⎝ 2(32.2 m/s ) ⎠ ⎝ 2(32.2 m/s 2 ) ⎟⎠
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
⎛ (9.86 m/s)2 ⎞ v2 =C = (.5 + .3 + .3 + .2 + 1.06) ⎜ 2 ⎟ 2g 2(32.2 m/s )⎠ ⎝
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES:
h f , fitting
⎛ (9.86 m/s)2 ⎞ v2 =C = (.5 + .3 + .3 + .2 + 1.06) ⎜ = 3.56 ft 2 ⎟ 2g ⎝ 2(32.2 m/s ) ⎠
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES: 3.56 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES: 3.56 ft TOTAL HEAD LOSS: 75.6 ft + 3.56 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES: 3.56 ft TOTAL HEAD LOSS: 75.6 ft + 3.56 ft = 79.16 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
GIVEN:
CAST IRON (ε = .00085 ft)
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
DARCY-WEISBACH EQUATION: 75.6 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
MINOR LOSSES: 3.56 ft TOTAL HEAD LOSS: 75.6 ft + 3.56 ft = 79.16 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
hf,total = 79.2 ft
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
The DARCY-WEISBACH EQUATION can be referenced on Page 106 of the NCEES Supplied Reference Handbook, version 9.4 for Computer Based Testing
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: PRESSURE AT POINT 1 ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g MAJOR LOSSES
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g MAJOR LOSSES ELEVATION AT POINT 2
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g MAJOR LOSSES ELEVATION AT POINT 2 LOCAL GRAVITY
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g MAJOR LOSSES ELEVATION AT POINT 2
ELEVATION AT POINT 1 LOCAL GRAVITY
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
VELOCITY AT POINT 1 PRESSURE AT POINT 1 ENERGY EQUATION: PRESSURE AT POINT 2 VELOCITY AT POINT 2 2 2 P1 (v1 ) P2 (v2 ) + z1 + = + z2 + + h f + h f , fitting MINOR LOSSES γ 2g γ 2g SPECIFIC WEIGHT
MAJOR LOSSES ELEVATION AT POINT 2
ELEVATION AT POINT 1 LOCAL GRAVITY
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
P1 (v1 )2 P2 (v2 )2 + z1 + = + z2 + + h f + h f , fitting γ 2g γ 2g
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
z1 = z2 + h f + h f , fitting
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
z1 = z2 + h f , total
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
h f , total = z1 − z2
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION: ENERGY EQUATION:
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
Velocity in Pipe: 9.68 ft/s
h f , total = z1 − z2 = 92 ft − 13 ft = 79 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW EXAMPLE: Water at 50oF flows from a large reservoir to a small reservoir through a 2 inch in diameter cast iron piping system. If the flow rate is 1.6 gps, the total head loss along the pipe run, including fittings, is most close to: Sharp-Edged Entrance, C = .5
RESERVOIR 1 ELEVATION = 92 ft
CAST IRON (ε = .00085 ft)
GIVEN:
Standard Flanged Elbow, C = .3 Gate Valve, Fully Open, C = .2
30 ft
RESERVOIR 2 ELEVATION = 13 ft
WATER 260 ft
Exit, C = 1.06
Diameter of Pipe: .167 ft
Flow Rate of Fluid: .212 ft3/s
Temperature of Fluid: 50oF
Length of Pipe: 290 ft
SOLUTION:
Pipe Roughness: .00085 ft
Area of Pipe: .0219 ft2
ENERGY EQUATION:
Velocity in Pipe: 9.68 ft/s
h f , total = z1 − z2 = 92 ft − 13 ft = 79 ft
hf,total = 79 ft
Kinematic Viscosity: 1.41x10-5 ft2/s
Reynolds Number: 114,650
Friction Factor: .03
Local Gravity: 32.2 ft/s2
CONSEQUENCES OF FLUID FLOW
CONSEQUENCES OF FLUID FLOW
TOTAL HEAD LOSS PRACTICE PROBLEM