ABSTRACT
The combustion processes, that are taking place in combustion units in boiler plants, result in heat production. Some of the heat is being exchanged between the thermal installation equipment and the air in such type of a room. In consequence, both the temperature of equipment’s surface and of the indoor air rises. This results in natural convection effect, in which the air heated up from the equipment rises upwards (along with that part of the heat generated by combustion), and in its place flows the air of lower temperature. As a result of the phenomenon, there is a change in airflow in the room and a removal of part of heat gains from equipment. The numerical analysis of convection along hot surface of technological facilities and equipment was made on the basis of the numerical calculations of air parameters in the selected boiler room. Boundary conditions for the calculations were determined using the results of building energy simulation and the results of experimental measurements.
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