Approximate Formulations for Thermodynamic Properties of General Hydrocarbon-Air Combustion Products 911286

The paper presents approximate formulations for the thermodynamic properties of combustion products of any specified hydrocarbon fuel (CcHhOoNn) in air as functions of fuel type, equivalence ratio, temperature and pressure. Real gas virial equations of state for product species are incorporated in the analysis and their effects are included in the formulations. Results of the paper are compared with other detailed chemical equilibrium calculations for three diverse fuels (octane C8H18, methanol CH3OH and coal CH.17O.05N.02) under different conditions with satisfactorily agreement.


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