Research Article

Experimental and Numerical Simulation of Desorption and Diffusion Process of the Adsorbed Gas in Coal Rock under Isothermal Conditions

Figure 8

The proposal of the Voronoi structure for coal samples: (a) morphology of surface cracks for coal; (b) inner morphology of cracks presented by CT scanning; (c) example of Voronoi diagram.
(a)
(b)
(c)