Multi-field coupling laws of mixed gas in goaf
Residual coal in goaf easily causes spontaneous combustion, and provides a long-term existence fire source, then easily leads to secondary gas explosion. This paper has a systematic study on the laws of gas flow and heat transfer in goaf pre-and post residual coal spontaneous combustion by numerical simulation. Multi-field coupling changed laws of gas-air mixed gas 3D seepage field, concentration field and temperature field pre-and post residual coal spontaneous combustion in goaf have been obtained by discreting mathematical model equations. The numerical simulation results coincide well with site observation data.
goaf spontaneous combustion multi-field coupling temperature field
Che Qiang Shu Zhong-jun Zhou Xin-quan Wang Hai-yan
Department of Fire Engineering, Chinese Peoples Armed Police Force Academy, Langfang 065000, China School of Resources and Safety Engineering, China University of Mining and Technology, Beijing 10008
国际会议
The First International Symposium on Mine Safety Science and Engineering (首届矿山安全科学与工程学术会议)
北京
英文
190-196
2011-10-27（万方平台首次上网日期，不代表论文的发表时间）