VCF for generalised petroleum products (table 54B) - converts bunker volume at observed temperature to volume at 15 °C.
Formula
$$ VCF = e^{-\alpha \cdot (T - 15) \cdot (1 + 0.8 \alpha (T - 15))}, \; \alpha = \frac{192.4571}{\rho^2} + \frac{0.2438}{\rho} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\rho_{15}$ | Density at 15 °C | kg/m³ | BDN |
| $T$ | Observed temperature | °C | thermometer |
| $α$ | Thermal expansion coefficient | 1/°C | table 54B coefficient |
| $VCF$ | Volume correction factor | - | result |
Sources
- ASTM D1250 / API MPMS Ch.11.1.