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Predicting blast overpressures caused by vapor cloud explosions in the vicinity of control rooms

Kees van Wingerden, Olav Roald Hansen, Pierre Foisselon

Process Safety Progress

Cilt: 18, Sayı: 1, 17-24, 1999

When considering the consequences of gas explosions in petro-chemical installutions simple methods are used such as TNT-equivalenc methods and the Multi-Energy method. These methods howewr, do not take into account directional effects, focusing effects, factors related to the source of the explosion (initial strength, shape) and reflections. FLACS, a 3-D CFD tool, allows for all factors mentioned including focusing on effects and reflections near buildings.

A comparison of the CFD-method including the two traditional prediction methods for a practical case demonstrates the application areas of the FLACS method as well as the limitations of the traditional methods.

American Institute of Chemical Engineers (AIChE)

DOI: 10.1002/prs.680180105

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