Combustion Engineering

Adiabatic Flame Temperature Calculator (Stoichiometric Combustion Energy Balance) calculator

Calculate adiabatic flame temperature calculator (stoichiometric combustion energy balance) calculator given relevant engineering parameters.

Quick Answer

Calculate Adiabatic Flame Temperature Calculator (Stoichiometric Combustion Energy Balance)

Calculator

Adiabatic Flame Temperature (K)
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Result Interpretation

Adiabatic Flame Temperature Calculator (Stoichiometric Combustion Energy Balance) calculator computes Adiabatic Flame Temperature in K using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Fuel Lower Heating Value = 45000000
  • Mass Flow Rate of Air = 12
  • Excess Air Ratio = 0.2

Expected Result:

  • Adiabatic Flame Temperature = 1428.518928276

Engineering Interpretation:

Under the given input conditions, the calculated result is: Adiabatic Flame Temperature = 1428.518928276 K.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

adiabatic flame temperature = 298.15 + (fuel lower heating value * (1.0 + excess air ratio) * 1000.0) / (mass flow rate of air * 1.147 + 0.718 * (fuel lower heating value * (1.0 + excess air ratio) - fuel lower heating value) + 0.918 * fuel lower heating value)

Formula family: formula_combustion_adiabatic_flame_temperature_calculator

Variables

SymbolLabelRoleDescription
Fuel Lower Heating Value Fuel Lower Heating Value INPUT Fuel Lower Heating Value
Mass Flow Rate of Air Mass Flow Rate of Air INPUT Mass Flow Rate of Air
Excess Air Ratio Excess Air Ratio INPUT Excess Air Ratio
Adiabatic Flame Temperature Adiabatic Flame Temperature OUTPUT Adiabatic Flame Temperature
Cp_air Cp_air CONSTANT Cp_air = 1.147 kJ/(kg·K)
Cp_N2 Cp_N2 CONSTANT Cp_N2 = 0.718 kJ/(kg·K)
Cp_CO2 Cp_CO2 CONSTANT Cp_CO2 = 0.918 kJ/(kg·K)

Calculation Steps

  1. Enter the fuel lower heating value in J/kg.
  2. Enter the mass flow rate of air in kg/s.
  3. Enter the excess air ratio in dimensionless.
  4. Step 1: Compute adiabatic flame temperature.
  5. Read the adiabatic flame temperature (K) from the results.

Engineering Summary

Calculate Adiabatic Flame Temperature Calculator (Stoichiometric Combustion Energy Balance)

Frequently Asked Questions

What does this calculator calculate?

The Adiabatic Flame Temperature Calculator (Stoichiometric Combustion Energy Balance) calculator estimates Adiabatic Flame Temperature based on the input parameters you provide

Why is fuel lower heating value important in this calculation?

fuel lower heating value is inversely proportional to adiabatic flame temperature. When you enter fuel lower heating value in J/kg, the calculator uses it in the engineering formula to compute the output

How should I interpret the result adiabatic flame temperature?

The calculator outputs adiabatic flame temperature in K. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Fuel Lower Heating Value (J/kg), Mass Flow Rate of Air (kg/s), Excess Air Ratio (dimensionless). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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