Modelling Confined Hydrocarbon Gas Explosions Part I: Algorithm Development
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 1
Abstract
Unexpected releases of combustible vapors/gases can lead to explosions, which threaten the integrity of equipment and structures. Multiple explosions can destroy plants, jeopardize lives, and inflict large economic losses; outdated parts of the pipe system can leak flammable gas in air and pose the danger of explosion. Therefore, it is important to be able to predict explosion properties and to design pipes and storage tanks that can withstand such catastrophic events. Such efforts enable plant engineers to evaluate risks associated with their designs subject to various possible explosions. Pressure rises almost instantaneously because of the overpressure from an explosion causing structural damage or deformation of pipes and storage tanks. Explosive pressure and structural damage can be estimated with analytical and numerical tools. By using these computational tools, safe distances between equipment and structures can be assigned. In this work an algorithm has been developed in order to estimate the structural damage. The proposed algorithm is composed from the following steps: Calculation of the gaseous concentration field and mass by using FDS software, Calculation of the shock wave pressure loads on the walls & Estimation of structural integrity of the structure.
Authors and Affiliations
Alon Davidy
Keywords
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