The article deals with the mathematical combustion model of organic liquid fuel in the technological furnace. The main factors influencing on the process are considered. The formula for the calculation of the oxygen concentration at the reactionary surface is obtained. The material balance of oxygen including equations for the diffusive and dense parts is compiled. The calculation results are shown in the diagrams.
organic liquid fuel, response rate, oxygen concentration, reactionary surface, dense part, diffusive part, non-dimensional parameter.
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