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ASTM 54B Volume Correction Factor

VCF for generalised petroleum products (table 54B) - converts bunker volume at observed temperature to volume at 15 °C.

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Formula, assumptions, and limits

VCF=eα(T15)(1+0.8α(T15)),  α=192.4571ρ2+0.2438ρVCF = e^{-\alpha \cdot (T - 15) \cdot (1 + 0.8 \alpha (T - 15))}, \; \alpha = \frac{192.4571}{\rho^2} + \frac{0.2438}{\rho}
SymbolMeaningUnit
ρ15\rho_{15}Density at 15 °Ckg/m³
TTObserved temperature°C
ααThermal expansion coefficient1/°C
VCFVCFVolume correction factor

Source: ASTM D1250 / API MPMS Ch.11.1

In short

VCF for generalised petroleum products (table 54B) - converts bunker volume at observed temperature to volume at 15 \u00b0C.

Learn the theory Bunker Quality and ISO 8217 Marine Fuel Standards