Natural Gas Pipeline Sizing - Does the sizing calculation based on General flow equation, AGA, Weymouth, Panhandle A, Panhandle B, IGT equation.

Pipe Data

Calculate
Gas Flowrate (Q) MMSCFD
Inlet Press. (P1) PSIA
Outlet Press. (P2) PSIA
Base Press. (Pb) PSIA
Base Temperature (Tb) °F

Pipe Length (L) mile
Pipe Size (NPS) inch
Schedule/ Thickness
Roughness (ε) inch
Elevation Difference (ΔH) ft
Efficiency (E )

Gas Gravity (G)
Flowing Temperature (TF) °F
Compressibility Factor (Z)
Nitrogen Mol %
Carbon Dioxide Mol %
Hydrogen Sulfide Mol %
Z Value

Gas Viscosity (μ )
Viscosity cP

Calculation

Select

Equation in English Units,

Flow Equations

Pipe ID (D)19.00inch

Pressure (Pavg)903.70PSIA

Z Factor (Z)0.8793

Length (Le)10.0242mile

Friction Factor (f)0.01199

Transmission Factor (F)18.2645

Gas Flowrate (Q)422.41MMSCFD

Velocity Inlet32.71ft/s

Velocity Outlet40.89ft/s

Erosional Velocity53.59ft/s


Comparison

Method Flowrate (MMSCFD)
General Flow Equation 462.37
AGA Method 462.71
Weymouth 422.41
Panhandle A 567.02
Panhandle B 535.87
IGT Equation 565.41