Abstract
The air composition of the mine atmosphere in coal mines; Safety Rules regulate heat-humidity and speed conditions created by the ventilation system. At the same time, physic-chemical, aero-gas-dynamic and thermos-physical processes occur, which affect the level of aerological safety. A system of equations recommended that allows one to calculate longitudinal air velocity profiles at any point in the mine ventilation network. These recommended describing the transfer of gas impurities in the mine atmosphere by the equation of turbulent-convective diffusion.
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