Convert observed bunker-fuel density @ T_obs to density @ 15 °C using ASTM D4311 - the standard bunker survey adjustment.
Formula
$$ \rho_{15} = \rho_{T} / \text{VCF}(T, \rho_{15}) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\rho_T$ | Density at observed temperature | kg/m³ | density meter |
| $\alpha$ | Thermal expansion coefficient | 1/°C | ASTM Table 54B |
Sources
- ASTM D4311 / D1250.