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 |