// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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sci.flue-gas-CO2-percentage Calculator
Calculates flue gas CO₂ percentage from fuel composition using ultimate analysis and stoichiometric air calculations. Maximum CO₂ (dry basis) for natural gas combustion ≈ 11.7% — incomplete combustion or excess air reduces measured CO₂, making it a proxy for combustion efficiency.
Inputs
C Mass Frac
Total mass (kg). Distinct from weight — weight = mass × gravity. Mass is constant; weight varies with location.
Afr Actual
Reference formula or conversion factor shown for context.
Results
CO₂ in flue gas (vol %)
Sample size or count used in the calculation.
O₂ in flue gas (vol %)
Sample size or count used in the calculation.
flue gas mass per kg fuel (kg)
The computed mass of the object or substance.
CO₂ mass per kg fuel (kg)
The computed mass of the object or substance.
flue gas analysis — Orsat method basis
The recommended calculation method or analytical approach for these conditions.
efficiency indicator
Useful output divided by total input, as a percentage. True 100% efficiency is impossible — losses appear as heat. LEDs: 30–50%. Electric motors: 85–97%. Switching supplies: 85–95%.