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sci.heating-value-Dulong-formula Calculator
Calculates higher heating value (HHV) of a solid fuel from ultimate analysis using the Dulong-Petit formula: HHV = 33.8C + 144.3H + 9.3S − 12.1O (MJ/kg). Dry bituminous coal: C≈80%, HHV ≈ 32–36 MJ/kg — Dulong formula is accurate to ±2% for most coals but less reliable for biomass.
Inputs
C Pct
Reference formula or conversion factor shown for context.
H Pct
Reference formula or conversion factor shown for context.
O Pct
Reference formula or conversion factor shown for context.
S Pct
Reference formula or conversion factor shown for context.
M Pct
Reference formula or conversion factor shown for context.
A Pct
Reference formula or conversion factor shown for context.