Reverberatory furnaces improper burners and chimney location would cause a significant scape of hot gases and shorten their residence time in the furnace and therefore reduce the convective heat transfer opportunity to the metal and walls surfaces. Appropriate burners location and orientation, as well as the chimney location, are very expensive to adjust in practical furnaces by trial and error to maximize the furnace performance. This study aimed to develop a validated 3-D CFD furnace model for studying the effect of burners’ location and orientation, chimney location and flow momentum on the hot gases residence time, heat transfer, flow and temperature distribution as well as the overall exergetic efficiency of the furnace. The results reflect the optimum design parameters for maximizing the furnace performance.

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