Data required for processing of case: Transport-Sm
Material Data :OK
Scenario :OK
Tank Data :OK
Location :OK
Reporting :OK
All required input is specified!
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Data used for processing of case: Transport-Sm
Material Data:
Material is LPG
Mass to release 8000 kg
Concentration of interest 1.9 %
Scenario:
Source is Saturated Liquid
Scenario is Leak
Initial phase is Liquid
Hole diameter 25 mm
Event frequency 2.5e-007 per yr
Tank Data:
Saturated liq vessel type use Pressure
Pressure (g) 5 bar
Calculate time varying release Initial Rate
Tank head 1 m
Location:
North Coordinate of Release 283.01 m
East Coordinate of Release 234.28 m
Elevation of Release 0 m
Surface type is Concrete
Is release in building? No
Release direction is Horizontal
Reporting:
SAFETI Micro Study: MKT 16-FEB-2001 11:52
Case 1: Transport-Sm Processed by version: 5.2
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Outdoor release of 8000.0 kg of LPG from Saturated Liquid Vessel
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** N.B. ** All concentrations in this report are CENTRE LINE CONCENTRATIONS **
Distances of interest (m) : None specified
Concentration of interest (mol ppm) : 1.900E+04
SCENARIO: Liquid Leak
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Initial temperature (K) : 312.
Initial pressure (bar(g)) : 5.00
Tank head (m) : 1.00
Hole diameter (mm) : 25.0
Dike or containment area (sq m) : No Dike
Surface type : Concrete
Blowdown was not calculated
Final state of release
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Release rate (kg/s) : 6.80
Final velocity (m/s) : 144.
Discharge velocity (m/s) : 43.0
Release duration (s) : 1.176E+03
Final liquid fraction : 0.670
Drop size (mm) : 1.700E-02
Height of release (m) : 0.000
Release direction : Horizontal
+++++++++++++++++++++++++++++
+ CONSEQUENCE RESULTS +
+++++++++++++++++++++++++++++
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POOL VAPORISATION RESULTS
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Liquid Pool Results 2.0m/s;F 4.0m/s;D
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Liquid rainout (%) 0.25 0.21
Total vapour flow rate (kg/s) 6.79 6.79
Pool vaporisation rate (kg/s) No pool vap No pool vap
Maximum pool diameter (m) No pool vap No pool vap
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DISTANCE - CONCENTRATION RESULTS
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LPG (mol ppm) Av.time Distance (m)
(s) 2.0m/s;F 4.0m/s;D
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Conc.of interest 19000.00 10.0 58.93 45.49
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RADIATION EFFECTS: BLEVE/Fireball
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No results for this consequence type
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RADIATION EFFECTS: Jet Flame
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Radiation levels (kW/sq m) Distance (m)
2.0m/s;F 4.0m/s;D
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Level: 4.0000 94.63 84.89
Level: 12.5000 80.60 70.00
Level: 37.5000 68.69 59.30
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RADIATION EFFECTS: Pool Fire
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Pool Fire Distances are radius to radiation level
plus distance from source to point of rainout
Radiation levels (kW/sq m) Distance (m)
2.0m/s;F 4.0m/s;D
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Level: 4.0000 33.62 34.82
Level: 12.5000 28.11 30.23
Level: 37.5000 23.25 25.11
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FLASH FIRE
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2.0m/s;F 4.0m/s;D
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Furthest extent (m) 117.60 123.80
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EXPLOSION EFFECTS
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Weather Class 2.0m/s;F 4.0m/s;D
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Early ignition: mass (kg) Same as late Same as late
Early ignition: location (m) Same as late Same as late
Late ignition: mass (kg) 67.91 12.78
Late ignition: location (m) 110.00 120.00
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EXPLOSION EFFECTS: Early Ignition
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Overpressures (bar(g)) Distance (m)
2.0m/s;F 4.0m/s;D
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Level: 0.0207 Same as late Same as late
Level: 0.1379 Same as late Same as late
Level: 0.2068 Same as late Same as late
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EXPLOSION EFFECTS: Late Ignition
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Overpressures (bar(g)) Distance (m)
2.0m/s;F 4.0m/s;D
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Level: 0.0207 244.20 196.90
Level: 0.1379 144.70 139.90
Level: 0.2068 136.90 135.40
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Ambient Conditions
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Weather Class 2.0m/s;F 4.0m/s;D
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Surface roughness parameter 0.10 0.10
Atmospheric temperature (K) 298.20 298.20
Surface temperature (K) 298.20 298.20
Relative humidity 0.70 0.70
Atmospheric pressure (N/m2) 101300.00 101300.00