Cargo Heating Duty (Q = U·A·ΔT)
Heat duty to hold tank cargo at setpoint - steady-state loss through tank walls only.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Overall heat-transfer coefficient | W/(m²·K) | |
| Heat-transfer surface area | m² | |
| Cargo − sea/ambient | K |
Source: OCIMF - Cargo heating guidance
In short
Heat duty to hold tank cargo at setpoint - steady-state loss through tank walls only.