RT Journal Article
ID 3b4ab6a943f51873
A1 Wang, Yanming 
A1 Li, Xueqin 
A1 Guo, Zhixiong
T1 PREDICTION OF SELF-IGNITION FIRE PROPAGATION AND COAL LOSS IN AN INCLINED SEAM
JF Heat Transfer Research
JO HTR
YR 2018
FD 2018-05-18
VO 49
IS 9
SP 827
OP 845
K1 combined heat transfer
K1 coal fires
K1 fire propagation
K1 fuel loss
AB The thermochemical processes of spontaneous combustion of coal in an inclined outcrop seam were investigated in order to understand the underground mineral self-ignition, fire propagation, and the loss of reserves. A heat and mass transfer model of porous coal-bearing stratum was employed, combining convection and radiation with a transient exothermic source which is coupled with coal oxidation, oxygen supply, and fuel consumption. It is found that spontaneous combustion firstly occurs under lean oxygen condition. Fire development controlled by the reaction heat release in the early oxidation process shifts to oxygen restriction after coal self-ignition. The stratum porosity significantly affects the fire propagation. The fire
propagation rate slightly increases as the inclined angle decreases. Compared with indirect surface survey, the predicted loss of reverses is more reasonable; thus, the present model could provide a useful reference to loss estimation in coal fire hazards.

PB Begell House
LK https://www.dl.begellhouse.com/journals/46784ef93dddff27,73b9302e1545ba91,3b4ab6a943f51873.html