摘要
为了研究矿井火灾产生的滚退烟流的危害,理论分析了矿井火灾后烟流发生滚退的条件及滚退特征,进行了真实巷道木材火灾实验。从烟流滚退滞止点的压力平衡和最小经验进风风速两个角度进行了烟流滚退的条件判别;基于环境流体力学、传热学和前人研究成果对滚退烟流的滚退特征数学模型进行了探讨和分析;并进行了真实矿井木材火灾实验,对相关实验数据和实验现象、烟流滚退特征数学模型进行了相互对比、分析和验证。结果表明,滚退烟流的特征参数数学模型和实验数据、实验现象吻合较好。
The conditions and characteristics theories of backflow smoke were studied to know about the danger of backflow smoke of mine fire.Wood fire experiments in real laneway were carried out.The backflow condition was studied from two aspects：the pressure balance of backflow stopping point,the other one is the least inflowing air velocity.The characteristic of backflow smoke was studied based on environmental hydrodynamics,heat transfer and some research results of formers.Wood fire experiments were carried in real laneway.And the experimental data and phenomena and backflow characteristics were contrasted,analyzed,validated to each other.The characteristic parameters of plume mathematical models and experimental data are in good agreement with experimental phenomena.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2010年第12期2105-2110,共6页
Journal of China Coal Society
基金
国家重点基础研究发展计划(973)项目(2005CB221500)
国家十一五科技支持计划项目(2006BAK03B05)
