Fig. 6
From: Numerical investigation of coal dust migration in sealed tunneling environments: A CFD-based study

Dust concentration profiles under methane-nitrogen ratios (1:99, 20:80, 40:60, 60:40, 80:20, and 99:1).
From: Numerical investigation of coal dust migration in sealed tunneling environments: A CFD-based study

Dust concentration profiles under methane-nitrogen ratios (1:99, 20:80, 40:60, 60:40, 80:20, and 99:1).