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 |
|
|
