Pressure Drop in Pipe (Natural Gas)

Initial Pressure (psi absolute)
Flow Rate (ft^3/hr)
Pipe
Length (ft)
90's
Tees
Reducers

Results
Method Pressure Drop
(psi) Pressure Drop
(inwc) Pressure Drop
(oz/si)
Darcy with K factors from ASPE Vol2, friction factor = 0.0474 0.007 0.204 0.116

IFGC (input pressure less than 1.5 psi), equivalent length = 100 0.005 0.144 0.082

IFGC (input pressure 1.5 psi and above), equivalent length = 100 0.005 0.145 0.083

**Results**
Method	Pressure Drop (psi)	Pressure Drop (inwc)	Pressure Drop (oz/si)
Darcy with K factors from ASPE Vol2, friction factor = 0.0474	0.007	0.204	0.116
IFGC (input pressure less than 1.5 psi), equivalent length = 100	0.005	0.144	0.082
IFGC (input pressure 1.5 psi and above), equivalent length = 100	0.005	0.145	0.083

v = 4.6 ft/s