Simulation Study on Spontaneous Combustion in Gob with“U”-shaped Ventilation Based on Particle Flow
HUANG You
WANG Hongbo
CHEN Shanle
CUI Tiejun
Abstract：In order to study the spontaneous combustion characteristics and process of the residual coal under the conditions of U-shaped ventilation and normal face advance, the temperature distribution and energy transfer of the residual coal in the spontaneous combustion process were simulated by using PFC3D as the simulation platform in considering such a fact that the loose and porous structure of residual coal caused by mining was advantageous to the contact reaction of oxygen and coal. Tiny particles were used to simulate the flow of oxygen and the reaction of oxygen and coal,and this simulation process was realized by FISH. The simulation study showed that the spontaneous combustion process of the residual coal could be divided into three phases,and the change of the temperature rise zone in the spontaneous combustion process of the residual coal was greatly related to the oxygen flow.
Keywords：“U”-shaped ventilationgobspontaneous combustion process of residual coalparticle flowsimulation study
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 5-8 )