A Coupled Nonlinear Flow Model for Particle Migration and Seepage Properties of Water Inrush through Broken Rock Mass

Table 1

Physical and seepage parameters employed for simulations.

Physical quantity	Symbol (unit)	Value
Initial porosity		0.16
Maximum porosity		0.45
Initial concentration		0.01
Water density	(kg/m^3)	1000
Particle density	(kg/m^3)	2630
Erosion coefficient	(m^-1)	30
Initial viscosity	(Pa·s)	0.001
Coefficient	/m^2
Forchheimer coefficient		11.76