Abstract
A method for three-dimensional numerical modeling of the working process in the oxygen-methane combustion chamber of a heat engine operating on gaseous fuel is presented. The advantages and disadvantages of the method based on the gross reaction equation written for the stoichiometric ratio are considered. The vortex dissipation model is used as a combustion model, and the ideal gas model is used for the working body. A justification is given for the effects in the combustion chamber obtained as a result of modeling. The results of three-dimensional numerical modeling and thermodynamic calculations are compared. Recommendations are given for improving the design of the combustion chamber and increasing its effectiveness. Keywords heat engine, combustion chamber, vortex dissipation model, combustion, numerical modeling, thermodynamic calculation, gross reaction
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