Required cathodic protection current for hull underwater area given current density and coating condition - screen ICCP / sacrificial anode sizing.
Formula
$$ I = A \cdot i \cdot k_T $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $A$ | Underwater area | m² | hydrostatics |
| $i$ | Current density | mA/m² | DNV-RP-B401 |
| $k_T$ | Temperature factor | - | seawater T |
Sources
- DNV-RP-B401 Cathodic Protection.