On the application of computational fluid dynamics codes for liquefied natural gas dispersion

Computational fluid dynamics (CFD) codes are increasingly being used in the liquefied natural gas (LNG) industry to predict natural gas dispersion distances. This paper addresses several issues regarding the use of CFD for LNG dispersion such as specification of the domain, grid, boundary and initia...

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Bibliographic Details
Published in:Journal of hazardous materials 2007-02, Vol.140 (3), p.504-517
Main Authors: Luketa-Hanlin, Anay, Koopman, Ronald P., Ermak, Donald L.
Format: Article
Language:English
Subjects:
Accidents
Air Movements
CFD
Computer Simulation
Dispersion
Fossil Fuels
k– ɛ model
Liquefied natural gas
Models, Theoretical
Reproducibility of Results
Validation
Volatilization
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Summary:Computational fluid dynamics (CFD) codes are increasingly being used in the liquefied natural gas (LNG) industry to predict natural gas dispersion distances. This paper addresses several issues regarding the use of CFD for LNG dispersion such as specification of the domain, grid, boundary and initial conditions. A description of the k– ɛ model is presented, along with modifications required for atmospheric flows. Validation issues pertaining to the experimental data from the Burro, Coyote, and Falcon series of LNG dispersion experiments are also discussed. A description of the atmosphere is provided as well as discussion on the inclusion of the Coriolis force to model very large LNG spills.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2006.10.023