Numerical Simulation of Coupled Thermal-Hydrological-Mechanical-Chemical Processes in the Spontaneous Combustion of Underground Coal Seams

Figure 3

The distributions of the temperature at , 5, 10, and 20 days.

(a) 1 day, temperature, (K)

(b) 5 days, temperature, (K)

(c) 10 days, temperature, (K)

(d) 20 days, temperature, (K)