A.R. Aude
This equation is accurate for Reynolds numbers in a range of Re:
β 6,000 to 130,000 for 8″ and 12″ crude oil lines.
β over 57,000 for 6″ and 8″ refined product lines.
This equation is limited to certain range of products and Reynolds numbers. In addition, no roughness factor is considered.
Flow Rate
Upstream Pressure

Downstream Pressure

Internal Diameter
πΎπΒ β Kinematic Viscosity[ft2/sec]
π»1Β β Upstream Elevation[ft]
π»2Β β Downstream Elevation[ft]
π΅ β Flow Rate[ft/sec]
π·βPipe Internal Diameter[in]
πΏ β Pipeline Length[mi]
πΊ β Liquid Specific Gravity
βπ β Pressure Drop[psi]
π1Β β Upstream Pressure[psi]
π2Β β Downstream Pressure[psi]
Input Parameters
1. To create a new case, click the βAdd Caseβ button
2. Select the Unknown and desired Flow Equation.
3. Enter Case Name, Location, Date and any necessary notes.
4. Fill out all required fields.
5. Make sure the values you are inputting are in the correct units.
6. Click the CALCULATE button.
β’ Flowing Temperature(Β°F)
β’ Liquid Specific Gravity
β’ Upstream Pressure(psig)
β’ Kinematic Viscosity
β’ Internal Pipe Diameter(in)
β’ Length of Pipeline(mi)
β’ Upstream Elevation(ft)
β’ Downstream Elevation(ft)
Outputs/Reports
- View the results.
- If an input parameter needs to be edited be sure to hit the CALCULATE button after the change.
- To SAVE, fill out all required case details then click the SAVE button.
- To rename an existing file, click the SAVE As button. Provide all case info then click SAVE.
- To generate a REPORT, click the REPORT button.
- The user may export the Case/Report by clicking the Export to Excel/PowerPoint icon.
- To delete a case, click the DELETE icon near the top of the widget.
- Flow Rate(ft/sec.)
- Transmission Factor
- Velocity(ft/sec.)
- Upstream Pressure(psi)
- Transmission Factor
- Velocity(ft/sec.)
- Downstream Pressure(psi)
- Transmission Factor
- Velocity(ft/sec.)
- Internal Pipe Diameter(in)
- Transmission Factor
- Velocity(ft/sec.)
Flow Rate

Upstream Pressure

Downstream Pressure

Internal Pipe DiameterΒ

Related Links
Pipeline HUB β User Resources
Table of Contents
Table of Pages
Table of Contents
- Pipeline HUB User Resources
- AC Mitigation PowerTool
- API Inspector's Toolbox
- Horizontal Directional Drilling PowerTool
- Crossings Workflow
- Hydrotest PowerTool
- Pipeline Toolbox
- Encroachment Manager
- PRCI AC Mitigation Toolbox
- PRCI RSTRENG
- RSTRENG+
- Ad-hoc Analysis
- Database Import
- Data Availability Dashboard
- ESRI Map
- Report Builder
- Crossings Workflow
- Hydrotest PowerTool
- Investigative Dig PowerTool
- Hydraulics PowerTool
- External Corrosion Direct Assessment Procedure - RSTRENG
- Canvas
- Definitions
- Pipe Schedule and Specifications Tables

