Research Article
Studying Probability of Domino Effect in Chemical Storage Tanks Using Hazard Index
Table 2
Safety distance for escalation.
| Primary scenario | Escalation vector | Equipment category | Threshold value | Safety distance |
| Fireball | Heat radiation | Atmospheric pressurized | 15 kW/m2 50 kW/m2 | Fireball radius 0 |
| Jet fire | Heat radiation | Atmospheric pressurized | 15 kW/m2 50 kW/m2 | Flame length + 50 m Flame length + 25 m |
| Pool fire | Heat radiation | Atmospheric pressurized | 15 kW/m2 50 kW/m2 | Pool border + 50 m Pool border + 15 m |
| VCE | Overpressure (F ≥ 5; Mf ≥ 0.35) | Atmospheric pressurized | 22 kPa 16 kPa | R = 1.75 R = 2.10 |
| BLEVE | Overpressure fragment projection | Atmospheric pressurized any | 22 kPa 16 kPa Undefined | R = 1.80 R = 2.10 Undefined |
| Mechanical explosion | Overpressure fragment projection | Atmospheric pressurized any | 22 kPa 16 kPa Undefined | R = 1.80 R = 2.10 Undefined |
|
|