Table 4 Transport parameters under particle size (1 μm, 2.5 μm, 5 μm, and 7.5 μm).

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

\(\:{d}_{p}\) (10−6m)

\(\:{\tau\:}_{p}\) (10−4s)

\(\:{\tau\:}_{f}\) (s)

\(\:Stk\) (10−3)

\(\:\eta\:\)

\(\:{Stk}_{corr}\)

1

0.0538

3.176

0.0017

103

0.0017

2.5

0.3364

3.118

0.0108

103

0.0108

5

1.3456

3.063

0.0439

103

0.0439

7.5

3.0277

3.009

0.1006

103

0.1006