Jet Fire · Pool Fire · VCE · BLEVE · Toxic Dispersion
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Consequence Modeling Calculator
Quantifies potential impacts of fire, explosion, and toxic release scenarios using industry methods. Provides thermal radiation, overpressure, and dispersion modeling for risk assessment and emergency planning.
Scenario Type:
Release Parameters
lb/s
s
psig
°F
Material Properties
g/mol
kJ/kg
Dispersion Parameters
%
%
m/s
BLEVE Parameters
ft³
Toxic Endpoints
ppm
ppm
ppm
Consequence Results
Scenario Output
-
Heat Flux (Jet Fire)- kW/m²
Radiation Distance (Pool Fire)- m
Overpressure (VCE)- kPa
Toxic Cloud Distance- m
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Formula (Jet Fire Radiation)
Q = (f × Hc × m) / (4 × π × r²)
Q = Heat Flux
f = Fraction of Heat Radiated
Hc = Heat of Combustion
m = Mass Flow Rate
r = Distance from Fire
Standards & References
API RP 521 Pressure-Relieving and Depressuring Systems
CCPS Guidelines Guidelines for Chemical Process Quantitative Risk Analysis
NFPA 59A Standard for the Production, Storage, and Handling of Liquefied Natural Gas (LNG)
Important Notes
Consequence modeling involves significant uncertainties and assumptions.
Results are estimates and should be used for screening and relative comparison.
Always consult with qualified experts for detailed risk assessments.