FieldengCathodic Protection
Pipeline Linear Resistance
Resistance per unit length of the pipe metal from electrical resistivity and metal cross-section. Not soil resistivity or coating conductance.
Cathodic ProtectionElectrical & Power
Resistance per unit length of the pipe metal from electrical resistivity and metal cross-section. Not soil resistivity or coating conductance.
App id: PIPE-03. Reference version 1.0.
How to fill it
Fill the inputs. The tool shows the outputs.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
R/L = ρ / AInputs
| Name | Unit |
|---|---|
| Metal resistivity | ohm-m |
| Metal cross-section | m2 |
Outputs
| Name | Unit |
|---|---|
| Linear resistance (hero result) | ohm/m |
Diagnose
This tool does not attach diagnose observations.
Assumptions
- Uniform metal cross-section along the length.
- Resistivity is the pipe metal, not the surrounding soil.
Provenance
- Metal conductor resistance per unit length: R/L = ρ/A.
- ρ is metal electrical resistivity, not soil resistivity or coating conductance.