Explosive model of low-speed combustion of gaseous hydrocarbon-air mixtures

An explosive model is proposed for the calculation of the stationary velocity in mixtures of air and combined fuel consisting of various gaseous hydrocarbons. The required equations are obtained from a consideration of the flame-front structure on the basis of the thermal diffusion theory. In contrast to known relationships, the proposed model does not contain any ambiguities in the equation for the heat-release rate during combustion of hydrocarbons. The calculations were performed for methane-hydrogen-air mixtures. The model describes the basic qualitative results of experiments on the steady propagation of laminar combustion and provides acceptable quantitative agreement with the experiments with gaseous hydrocarbons-air mixtures.