Calculate gas piping outlet pressure from the Weymouth equation (API RP 14E section 2.4).
The results from the Weymouth equation can also be compared with the general equation (Moody diagram), and the Panhandle A and B equations.
Tool Input
- schdtype : Pipe Schedule Type
- diamtype : Pipe Diameter Type
- ODu : User Defined Outside Diameter
- IDu : User Defined Inside Diameter
- wtntype : Wall Thickness Type
- tnu : User Defined Wall Thickness
- fluidtype : Fluid Property Type
- SGu : User Defined Gas Specific Gravity
- voltype : Fluid Flow Rate Type
- Qfu : User Defined Gas Volume Flow Rate
- Mfu : User Defined Gas Mass Flow Rate
- Ngu : User Defined Gas Mole Flow Rate
- Vfu : User Defined Gas Velocity
- efactype : Efficiency Factor Type
- Eu : User Defined Efficiency Factor
- fdtype : Darcy Friction Factor Type
- fdu : User Defined Darcy Friction Factor
- flowtype : Fluid Pressure Type
- L : Pipe Length
- zi : Inlet Elevation Relative To Datum
- zo : Outlet Elevation Relative To Datum
- Pi : Inlet Pressure
- T : Fluid Temperature
- Z : Compressibility Factor
Tool Output
- ΔP : Friction Pressure Loss
- ρ : Fluid Density (At Pf)
- E : Efficiency Factor
- ID : Inside Diameter
- Mf : Mass Flowrate
- Ng : Mole Flow Rate
- Pa : Average Fluid Pressure
- Pf : Pressure For Fluid Property Calculation
- Po : Outlet Pressure
- Qf : Volume Flowrate (At Pf)
- SG : Gas Specific Gravity
- Vf : Fluid Velocity (At Pf)
- es : Elevation Constant
- fd : Darcy Friction Factor
- ff : Fanning Friction Factor
- ls : Length Constant
- ss : Elevation Exponent
- td : Darcy Transmission Factor
- tf : Fanning Transmission Factor
- vg : Mole Specific Volume (At Pf)