A Fluid-Solid Coupling Mathematical Model of Methane Driven by Water in Porous Coal

Figure 12

Space-time distribution curves of the pore pressure at the axial monitoring points along the driving direction.

(a) Axial monitoring points at the positions of 10 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 80 mm, and 90 mm

(b) Axial monitoring points at the positions of 10 mm, 20 mm, 30 mm, 40 mm, and 50 mm