Abstract
There is the emission problem of hazardous substances such as nitrogen oxides, carbon oxide and soot into inner space of tunnel with heated air while using of gas-turbine engines as heat ventilating equipment for long railway tunnels in conditions of harsh continental climate of Siberian and Far East. In the investigation working parameters of gas-turbine equipment based on jet engine D-36 is determined. The analysis of hazardous substance emissions for two specific working modes is carried out. It is educed that the concentration of nitrogen oxides located at ventilating flow from the equipment, working at nominal mode, do not exceed standards of maximal permissible concentrations for railway tunnels. Parameters of the surrounding air, discharged into the tunnel, for dilution of ventilating flow with high content of nitrogen oxides to standard of MPC is determined.
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