Journal
JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES
Volume 26, Issue 6, Pages 1604-1615Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jlp.2013.08.001
Keywords
Vented gas explosion; Large-scale experiment; CFD; FLACS; Modelling; Multi-compartment
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Natural gas and LPG are common fuels that have been used relatively safely in the home for many decades. However, when there is a release of gas within a dwelling, or gas from a leaking external pipeline migrates into a building, an explosion may occur. Most of the experimental research into vented gas explosions has been conducted in single enclosure, cuboid or spherical geometries which are not representative of accidental explosions in dwellings or process industries. This paper discusses the findings of a comprehensive large-scale experimental programme undertaken by British Gas Research and Development and also compares FLACS CFD (Computational Fluid Dynamics) simulations against a number of these experiments. The results suggest that the software is useful in gaining a greater understanding of the dynamics of explosion development in dwellings. The paper highlights areas of good performance of the software as well as areas of shortcomings where further understanding and modelling effort is needed. (C) 2013 Elsevier Ltd. All rights reserved.
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