摘要
为了研究巷道火灾烟流对风速的影响,选取平煤四矿为研究对象,通过Ventsim软件,建立全矿井三维模型。模拟井下带式输送机巷道发生火灾,研究烟雾蔓延规律。观测巷道上、下游风流变化范围。研究表明,随着初始风速的增大,风流变化率急剧增快,并且出现风流紊乱的时间更早。
In order to study the effect of smoke flow on the wind speed, Ventsim software was used to simulate the underground tunnel fire, and the smoke spread law was studied.The variation range of airflow velocity concentration in the tunnel was observed. The results show that with the increase of wind speed, the wind speed increases rapidly, and the earlier time of wind disturbance occurs.
出处
《煤炭技术》
北大核心
2017年第10期126-128,共3页
Coal Technology
基金
国家自然科学基金资助项目(51574017)
国家重点研发计划资助项目(2016YFC0801706)
