A mathematical model has been elaborated and a computer simulating program has been made up with the help of which a numerical researches were fulfilled for natural-gas combustion and the heat transfer in a rotary kiln while haydite burning. Its thermal operation was considered to find the best conditions of heat transfer from the diffusion flame to expanding calcined granules.
numerical simulating, diffusion flame, heat transfer by radiation and convection, haydite burning.
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