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Lunchtime Webinar | Explosions in, and propagating from real enclosures - Jason Gill, Health & Safety Executive (HSE)

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Live webinar
29
29 November 2023
13:00 - 14:00 (GMT)
LIVE WEBINAR
 
TITLE:Explosions in, and propagating from real enclosures
SPEAKER:Jason Gill, Health & Safety Executive (HSE)
DURATION:1 hour (45 min + Q&A)
TIME:13.00 to 14.00 (GMT)
ABSTRACT:For the Vapour Cloud Explosion that occurred at the Buncefield fuel storage site in 2005, the most likely source of ignition was a spark within an emergency pumphouse. This webinar will present experimental research that investigated the potential escalating effects of explosion propagation from electrical control boxes within buildings constructed with lightweight steel cladding panels - which are prolific on high explosion hazard sites - into a larger cloud. This research focused on explaining the flame propagation mechanisms responsible for intensifying Vapour Cloud Explosion (VCE) severity.

A series of controlled explosion experiments were conducted using a 47 m3 vessel comprising a vent. Initially, experiments utilising 4.2% propane-air mixtures were carried out to understand baseline venting mechanisms and pressure development, with the vessel vent covered with steel panels designed to mimic the structural properties of buildings like the Buncefield pumphouse and for comparison, plastic sheeting. Subsequent experiments employed commercially available electrical control boxes to investigate the explosion propagation dynamics and the resultant pressures and flame speeds. Experiments were conducted both with and without a flammable cloud external to the control box.

FABIG WEBINAR SERIES

We are now organising Lunchtime Webinars on a monthly basis. As such, we are always looking for interesting presentations for our Webinar Series, so please do not hesitate to contact us at fabig@steel-sci.com if you or one of your colleagues would like to present at a future FABIG Webinar.
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This event is for FABIG members only.

FABIG members: Free

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Joining FABIG provides access to a wealth of technical resources as well as excellent training opportunities, and ensures that your organisation is kept abreast of the latest developments in fire and explosion engineering. FABIG also provides a forum for discussing technical issues with industry peers via participation in the FABIG activities, therefore creating invaluable networking opportunities. Become a Member Request a Membership Quote

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