case | 1 | 2 | 3 | 4 |
CH4 Re-combustion ratio (γ/%) | 0 | 7.5 | 10 | 12.5 |
Coal mass flow (B0/kg·s−1) | 3.09 | 2.86 | 2.78 | 2.70 |
Primary air speed (v1/m·s−1) | 25.45 | 25.13 | 25.04 | 24.94 |
Secondary air speed (v2/m·s−1) | 57.67 | 48.67 | 47.09 | 45.50 |
Separated over fire air speed (vSOFA/m·s−1) | 50.91 | 50.32 | 50.12 | 49.93 |
Re-combustion methane speed (vCH4/m·s−1) | 0 | 27.90 | 37.20 | 46.50 |
CH4 volume flow (VCH4/m3·s−1) | 0 | 2.86 | 3.82 | 4.77 |
Re-combustion air speed (vr-c,air/m·s−1) | 0 | 31.35 | 41.80 | 52.25 |