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Brake Thermal Efficiency

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Brake thermal efficiency from SFOC and fuel LCV. η_th = 3600 / (SFOC · LCV).

Formula

$$ \eta_{th} = \frac{3600}{\text{SFOC} \cdot \text{LCV}} $$

Symbol legend

SymbolMeaningUnitSource
$SFOC$Specific fuel oil consumptiong/kWhNOx technical file
$LCV$Lower calorific valueMJ/kgISO 8217 / MEPC.364
$\eta_{th}$Brake thermal efficiency-result

Sources

  • Heywood - Internal Combustion Engine Fundamentals.