Modelování následků nehody automobilové cisterny s LPG pomocí numerického programu ALOHA

Textový výstup

Textový výstup

Textový výstup pak shrnuje jak zadané údaje, tak i výsledky modelování.
Jeho podoba je následující:

SITE DATA:

Location: ODRY, CESKA REPUBLIKA
Building Air Exchanges Per Hour: 1 (user specified)
Time: April 17, 2007 0917 hours ST (user specified)

CHEMICAL DATA:

Chemical Name: PROPANE
Molecular Weight: 44.10 g/mol
TEEL-1: 2100 ppm TEEL-2: 2100 ppm TEEL-3: 2100 ppm
IDLH: 2100 ppm LEL: 20000 ppm UEL: 95000 ppm
Ambient Boiling Point: -42.3° C
Vapor Pressure at Ambient Temperature: greater than 1 atm
Ambient Saturation Concentration: 1,000,000 ppm or 100.0%

ATMOSPHERIC DATA: (MANUAL INPUT OF DATA)

Wind: 3 meters/second from w at 3 meters
Ground Roughness: urban or forest
Cloud Cover: 5 tenths
Air Temperature: 15° C
Stability Class: C
No Inversion Height
Relative Humidity: 50%

SOURCE STRENGTH:

Leak from hole in horizontal cylindrical tank
Flammable chemical is burning as it escapes from tank
Tank Diameter: 2.46 meters
Tank Length: 10.51 meters
Tank Volume: 50.0 cubic meters
Tank contains liquid
Internal Temperature: 15° C
Chemical Mass in Tank: 22000 kilograms
Tank is 86% full
Opening Length: 10 centimeters
Opening Width: 4 centimeters
Opening is 0.81 meters from tank bottom
Max Flame Length: 41 meters
Burn Duration: 13 minutes
Max Burn Rate: 3,720 kilograms/min
Total Amount Burned: 21,413 kilograms
Note: The chemical escaped from the tank and burned as a jet fire.

THREAT ZONE:

Threat Modeled: Thermal radiation from jet fire
Red: 65 meters --- (10.0 kW/(sq m) = potentially lethal within 60 sec)
Orange: 93 meters --- (5.0 kW/(sq m) = 2nd degree burns within 60 sec)
Yellow: 145 meters --- (2.0 kW/(sq m) = pain within 60 sec)