A dispersion safety factor for LNG vapor clouds.

Juan A Vílchez, Diana Villafañe, Joaquim Casal

TIPs - Trámites, Informes y Proyectos, SL, Llenguadoc 10, 08030 Barcelona, Spain.

Journal of hazardous materials 2013 Feb 15

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The growing importance of liquefied natural gas (LNG) to global energy demand has increased interest in the possible hazards associated with its storage and transportation. Concerning the event of an LNG spill, a study was performed on the relationship between the distance at which the lower flammability limit (LFL) concentration occurs and that corresponding to the visible contour of LNG vapor clouds. A parameter called the dispersion safety factor (DSF) has been defined as the ratio between these two lengths, and two expressions are proposed to estimate it. During an emergency, the DSF can be a helpful parameter to indicate the danger of cloud ignition and flash fire. Copyright © 2012 Elsevier B.V. All rights reserved.

Citation

Juan A Vílchez, Diana Villafañe, Joaquim Casal. A dispersion safety factor for LNG vapor clouds. Journal of hazardous materials. 2013 Feb 15;246-247:181-8