Research on the impact of underground moving heat sources on the wind flow environment of deep roadways
In order to explore the influence of moving heat sources in the deep roadway on the wind flow environ-ment,with Xincheng Gold Mine as the engineering background,the wind temperature and wind speed monitoring of a transport roadway on a deep level was carried out,and the heat release of fuel equipment in the deep roadway of Xincheng Gold Mine was calculated by field investigation and theoretical formula.Based on Fluent finite element soft-ware,simulation of the dynamic response of moving heat source under different wind flow conditions,and the influence of moving heat source on deep roadway wind flow environment was analyzed.The results show that the average wind speed is 1.91 m/s and the average wind temperature is 33.38 ℃ in the monitoring section;when the heat source moves downwind,the wind temperature on both the front end and the tail end is affected.The wind temperature gradu-ally decreases with the increase of distance and tends to be stable at 15 m at the front end of the heat source,and the stable wind temperature is 33.75 ℃,high temperature is generated continuously within the 2 m range at the tail of heat sources;when the heat source moves against the wind,only the tail wind temperature is affected.The wind tempera-ture gradually decreases within the 0-20 m range of the tail of the heat source and becomes stable at 20 m of the tail of the heat source.The stable wind temperature is 34.12 ℃;the range of influence of heat source on wind flow when moving upwind is larger than that when moving downwind,and the wind temperature when moving upwind is 0.37 ℃ higher than that when moving downwind.
deep roadwaymechanizationmoving heat sourcewind flow environmentnumerical simulation
万方数据
维普
