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LNG - Boil-off Rate Calc

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LNG boil-off rate estimate from tank surface heat-gain and insulation U-value - screens BOG management design.

Formula

$$ BOR = \frac{24 \dot Q \cdot 3600}{h_{fg} \cdot V \cdot \rho_L} $$

Symbol legend

SymbolMeaningUnitSource
$U$Tank insulation U-valueW/m²·KGTT technical bulletin
$h_{fg}$LNG latent heatkJ/kgNIST

Sources

  • GTT NO96 / Mark-III.