Two Phase Pressure drop Calculator

Purpose: Calculate pressure drop and hydraulic parameters for two-phase (liquid-gas) flow in pipes using established industry correlations.

Calculation Method

Pipe Material

Nominal Pipe Size

Pipe Schedule

Pipe Roughness mm

Pipe Length m

Pipe Inclination Angle degrees

Inlet Pressure kPag

Liquid Flow Rate m³/day

Gas Flow Rate Sm³/day

Liquid Density kg/m³

Gas Density (at Inlet) kg/m³

Liquid Viscosity cP

Gas Viscosity cP

Surface Tension N/m

Total Pressure Drop: -

Outlet Pressure: -

Frictional Drop: -

Gravitational Drop: -

Accelerational Drop: -

Pipe Internal Diameter: -

Liquid Holdup (Hₗ): -

Mixture Velocity (Inlet): -

Superficial Liquid Velocity: -

Superficial Gas Velocity (Inlet): -

Two-Phase Flow Pressure Drop Calculator