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Gas Turbine Combustor Firing Temperature & Heat Balance Calculator

Easily calculate and compute gas turbine combustor firing temperature & heat balance calculator with accurate equations, live formulas, and expert guidance.

Air temperature entering the combustor liner.

Mass flow of fuel divided by mass flow of air (typical lean 0.018 - 0.028).

LHV of fuel (natural gas ~47,000 kJ/kg, jet-A ~43,100 kJ/kg).

Combustion completion efficiency.

Compressor discharge air mass flow entering combustor.

Calculated Result
1,434.62 K

Turbine Rotor Inlet Temperature (TIT)

Turbine Rotor Inlet Temperature (TIT)

1,434.62 K

Firing Temp K

1434.6246915681102

Compressor Exit Temp K

710

Fuel Air Ratio

0.022

Fuel Lhv Kj Kg

43100

1,434.62 — K

Calculation Breakdown

  1. Applied FormulaBalances fuel chemical energy against air enthalpy increase to calculate fuel-to-air mass ratio, combustion efficiency, and combustor exit firing temperature.f = \frac{c_{p,g} T_3 - c_{p,a} T_2}{\eta_{comb} \times LHV - c_{p,g} T_3}

Combustor Firing & Balance Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.03597171.1k1.4kTurbine Rotor Inlet Temperature (TIT)

What Is the Gas Turbine Combustor Firing Temperature & Heat Balance Calculator?

This tool computes gas turbine combustor firing temperature & heat balance calculator with high precision arithmetic.

How Does the Gas Turbine Combustor Firing Temperature & Heat Balance Calculator Work?

Balances fuel chemical energy against air enthalpy increase to calculate fuel-to-air mass ratio, combustion efficiency, and combustor exit firing temperature.

Gas Turbine Combustor Firing Temperature & Heat Balance Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

f=cp,gT3−cp,aT2ηcomb×LHV−cp,gT3f = \frac{c_{p,g} T_3 - c_{p,a} T_2}{\eta_{comb} \times LHV - c_{p,g} T_3}

Balances fuel chemical energy against air enthalpy increase to calculate fuel-to-air mass ratio, combustion efficiency, and combustor exit firing temperature.

How to Use the Gas Turbine Combustor Firing Temperature & Heat Balance Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Gas Turbine Combustor Firing Temperature & Heat Balance Calculator Example

Input Values:

compressorExitTempK:710
fuelAirRatio:0.022
fuelLhvKjKg:43100
combustionEfficiencyPct:99.2
airMassFlowKgS:250
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required K.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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