Draft Change with Water Density
How much the draft changes when a ship moves between water densities - sea to fresh, fresh to brackish, arctic to tropic.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Current draft | m | |
| Current density | t/m³ | |
| New density | t/m³ | |
| Draft change | m |
Source: Derrett & Barrass Ch.8; IMO ICLL 1966
In short
Compute draft change when a ship moves between water densities.