Line Sizing Calculator (SI Units)

Line Description
Single phase fluid density, rho    kg/m3
Volumetric flow rate, Q    m3/s
Single phase fluid viscosity, mu    Pa-s
Pipe Nominal Size and Schedule
Selected Pipe Outside Diameter, Do    mm
Selected Pipe Nominal Wall Thickness, Tn    mm
Selected Pipe Inside Diameter, Di    mm
Selected phase fluid velocity, V    m/s
Velocity Limit, V_Limit    m/s
Verify1: Verification of velocity
Pipe roughness, epsilon (for commercial steel pipe, epsilon= 0.05)    mm
Reynolds number, Re
Verify2: Verification of Flow Regime
Moody friction factor, fm (Laminar Flow)
Moody friction factor, fm (Turbulent flow) (Chen correlation)
Moody friction factor, fm_alt (Turbulent flow) (Colebrook)
Verify3: Validation of fm (Turbulent flow)
Calculated Frictional Pressure Drop, deltaPf    kPa/m
Pressure Drop Limit, Pd_Limit    kPa/m
Verify4: Verification of Pressure Drop

Help

General Notes:

Note: Refer to the "Terms and Conditions" in the 'About' section before using the software.

1) Line Sizing Calculator is a software program that can be used to estimate the line sizes on a piping system, based on flow condition.

2) The fluid inside the piping needs to be a single phase liquid or vapour / gas.

3) Pipe sizes vary from NPS 1/2 (DN 15) nominal diameter to NPS 48 (DN 1200)) nominal diameter.
Pipe sizes are taken from ANSI / ASME 36.10M.

4) Typical recommended velocity limits are as follows (per API RP14E - edition - old)

Liquids: Minimum Velocity - 3 ft/s ; Maximum Velocity - 15 ft/s (general guidance)
Reciprocating Pumps : 1 - 2 ft/s (suction); 3 - 6 ft/s (discharge) (based on rpm)
Centrifugal Pumps: 2 - 3 ft/s (suction); 6 - 9 ft/s (discharge)

Vapor / Gas: Maximum Velocity - 60 ft/s

5) The program does not check for choked flows.

6) The program should not be used for high Mach number flows.

7) If you notice any error, please let us know, so that can be rectified.

8) Contact us with any comments / questions : engineeringstream11@gmail.com

9) Visit us for more software programs at https://engineering-stream.com