摘要
采用多维混合模拟技术对巷道火灾进行模拟,具有耗时短、精度高等优点。矿井火灾的多维混合模拟结果表明,一维模拟会高估火灾时巷道的温度,而多维混合模拟与一维模拟相比对风流参数的变化更加敏感,能够对火场风速、温度等参数的变化进行快速响应,因而模拟结果更加准确。
Using multiscale modeling technique to simulate the mine fire has the features of short time- consuming and high precision.The simulating results indicated that one- dimensional modeling could overestimate the temperature of fire. Multiscale modeling is more sensitive than one- dimensional modeling in variation of airflow parameter,which can give a more rapid response to the change of temperature or air velocity. Thus the simulation results are more accurate.
出处
《煤矿安全》
CAS
北大核心
2015年第8期15-18,共4页
Safety in Coal Mines
基金
国家自然科学基金资助项目(51404192)
中国博士后科学基金资助项目(2014M552555XB)
陕西省自然科学基础研究资助项目(2015JQ5174)
陕西省教育厅基金资助项目(14jk1476)
西安科技大学博士点基金资助项目(2013QDJ039)
关键词
火灾模拟
速度衰减
烟流滚退
长径比
热释放速率
矿井火灾
fire simulation
velocity attenuation
smoke rollback
length-diameter ratio
heat release rate
mine fire
