Heat of Combustion Calculator

Calculate Combustion Parameters and Energy Release

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Heat of Combustion Calculator

Calculate heat of combustion and energy release for various fuels.

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Calorific Value Calculator

Calculate higher and lower heating values.

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Combustion Products Calculator

Calculate combustion products and oxygen requirements.

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Understanding Combustion

Basic Principles

Key concepts include:

  • Exothermic reaction
  • Complete combustion
  • Stoichiometry
  • Energy release
  • Heat capacity

Applications

Common uses:

  • Fuel analysis
  • Engine design
  • Power generation
  • Industrial processes
  • Calorimetry

Advanced Concepts

Important considerations:

  • Adiabatic flame temperature
  • Incomplete combustion
  • Air-fuel ratio
  • Reaction mechanisms
  • Thermodynamic efficiency

Process Variables

Key factors:

  • Temperature
  • Pressure
  • Oxygen availability
  • Fuel composition
  • Heat transfer

Essential Combustion Formulas

Heat of Combustion

Q = n × ΔH_c

n = m/M

Calorific Values

LHV = HHV - 2.442 × (H₂O_formed)

H₂O_formed = 9 × H_content

Combustion Products

CₓHᵧOᵤ + O₂ → CO₂ + H₂O

O₂_required = x + y/4 - u/2