PUBLICATIONS AND VIDEOS
Offshore major hazards research 1990-2000: Dispersion and explosions
Speaker(s): Mike Johnson
Organisation(s): DNV GL
Duration: 63 min
The need to design offshore structures to withstand blast requires an understanding of how damaging pressures are generated and the ability to predict such events using mathematical models. It was clear at the beginning of the 1990’s that although there was an understanding of the mechanisms involved in pressure generation in gas explosions, there were significant gaps in terms of applying this to offshore structures. There was, however, sufficient knowledge and evidence to show that severe gas explosions could be generated in geometries typical of offshore facilities. Over a period of ten years, a considerable amount of large and full-scale experimental studies were carried out to extend our understanding and crucially provide data that could be used to validate predictive models. It is a measure of the success of this research that the models have been routinely used in design projects over the past two decades. The need for the research will be described and the experimental programmes detailed, with the main highlights in the results being summarised.
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