摘要
对采空区遗煤状态进行实测与分析 ,并采用有限元数值模拟方法求解综采放顶煤工作面采空区遗煤内的风流运动规律的二维非线性渗流方程 ,从而较为有效地反映出采空区遗煤中风流压力和速度分布情况 ,结合实例 。
After measuring and analyzing the state of coal in the gob,the 2Dnon-linear infiltration equation of airflow in gob is numerically simulated by finite element method.The establishment and solution of the numerical model are also introduced in this paper.The simulation results not only effectively indicate the distribution of air pressure and velocity but also give the relation between spontaneous combustion region and intake quantity of working face.
出处
《山东科技大学学报（自然科学版）》
CAS
2002年第4期88-92,共5页
Journal of Shandong University of Science and Technology(Natural Science)
关键词
采空区
遗煤
自燃发火
风流场
数值模拟
风流压力
风流速度
自燃带
gob
spontaneous combustion of remaining coal
air-flowing field
air velocity distribution
numerical simulation
