LIQUID PIPE FLOW: FLOW RATE CALCULATION
US Customary Units
INPUT DATA
Title
Available Pressure head, h
ft
Fluid specific gravity, γ
Kinematic viscosity, ν
cSt
Pipe diameter, D
in
Pipe roughness, ε
in
Pipe length, L
ft
Fittings/minor losses, Lm
ft
Elevation change, ΔZ
ft
RESULTS
VARIABLES
Values
Units
♦ Flow velocity, V
5.264
ft/s
♦ Reynolds number, Re
621526.2
♦ Flow regime
Turbulent
♦ Darcy Friction factor, ƒ
d
0.01444
♦♦ Flow rate, Q
2997.08
gal/min
♦♦ Pressure head, ΔP
2.12
psi
♦ Minimum Pumping horsepower, BHP
3.7
hp