Table 1 Peak flame front velocity at each measuring point.
Working condition | Peak flame front velocity at each measuring point in the pipeline network/m·s-1 | |||||||
|---|---|---|---|---|---|---|---|---|
L1 | L2 | L3 | L4 | |||||
T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | |
No powder | 312.12 | 306.55 | 326.22 | 339.76 | 340.23 | 328.91 | 308.13 | 294.24 |
Pure fly ash | 220.63 | 206.54 | 234.23 | 259.13 | 266.72 | 241.84 | 211.52 | 197.33 |
Pure NaHCO3 | 208.61 | 202.72 | 222.37 | 245.43 | 257.36 | 225.57 | 205.45 | 190.92 |
10%NaHCO3 | 162.93 | 154.35 | 163.43 | 171.42 | 179.34 | 160.23 | 156.88 | 152.74 |
20%NaHCO3 | 139.75 | 134.10 | 142.11 | 152.04 | 156.22 | 138.92 | 141.42 | 133.45 |
30%NaHCO3 | 76.76 | 71.66 | 90.87 | 92.97 | 99.01 | 89.55 | 82.32 | 80.14 |
40%NaHCO3 | 54.42 | 52.73 | 62.52 | 70.62 | 80.50 | 75.13 | 65.83 | 51.91 |
50%NaHCO3 | 56.31 | 54.62 | 62.63 | 72.57 | 80.41 | 74.92 | 65.76 | 55.80 |
