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Both governments and industries are investing heavily on hydrogen. There is an increasing demand for substantial efforts to ensure the safe use of hydrogen as an energy carrier. In common with a new industry, there is also a pressing need to train young talents who will take on the challenges ahead in their proud stride to carry the industry forward. The proposal aims to offer a unique opportunity for researchers in the early stages of their careers to work in inter nationally recognised inter-disciplinary and multi-disciplinary research teams of scientists and engineers to acquire specific scientific skills and competencies in the diffusion, ignition and combustion of hydrogen within the context of fire and explosion safety.
The principal output from HYFIRE will be the establishment for further development of a pool of EU trained researchers specialising in hydrogen fire and explosion safety, a relatively new field where such young talent is at present lacking. In the mean time, we also aim to achieve several major breakthroughs.
Systematic training will be provided through research and dedicated mini-schools and workshops in the f ollowing multidisciplinary and interconnected areas: 1. Hydrogen jet flames from very high-pressure release 2. Flame impinging on surfaces and the resulting effect on hydrogen transport cylinders and storage vessels 3. Liquid hydrogen spill and combustible cl oud dynamics 4. Hydrogen combustion in semi-confined and vented geometries and the conditions leading to the deflagration-to-detonation transition DDT.
The research will be conducted using CFD based numerical modelling approaches while the abundant publis hed experimental data from small- and large-scale tests will be used for model validation.
The excellent training opportunities enabled the researchers to develop specific scientific skills and competencies in the diffusion, ignition and combustion of hydrogen within the context of fire and explosion safety.
HYFIRE looked at the cross-cutting safety issues related to the production, storage, transportation and utilisation of hydrogen. It used technical data from explosion experiments by BP and the Health and Safety Laboratory to develop advanced numerical tools for predicting spontaneous ignition, fire and explosions in hydrogen. The project focussed on cutting edge research in the following underpinning areas: 1. HYFIRE researchers successfully developed and validated advanced computational fluid dynamics CFD models for the spontaneous ignition phenomenon in pressurised hydrogen release.
While hydrogen fuel cell powered vehicles were on the way to commercial application, this phenomenon was of important safety concern. With the developed numerical tool, HYFIRE researchers conducted further parametric studies to illustrate that the release pressure, the length of the release tube, the finite rupture process of the initial pressure boundary and the surrounding obstacles all played important roles in the occurrence of spontaneous ignition.
The development was carried out within the frame of Openfoam, an open source CFD code, to facilitate wide applications and exploitation. Numerical simulations were conducted for hydrogen explosions in a refuelling environment and in a model storage room. Following this, detonation modelling was carried out for pancake and spherical clouds. The predictions demonstrated a sharp fall of overpressure at the edge of the cloud.
In contrary to common belief that the impulse of all explosions would push objects away from the epicentre, the predictions revealed the existence of high negative drag impulse within the detonated cloud. Such an impulse was also found to vary with heights. The findings from the present analysis were in line with the forensic evidence on damages in some historic accidents such as the Buncefield incident, in which localised transition to detonation occurred and challenged the analysis of a previous accident in which forensic evidence suggested localised detonation but was considered as the consequence of fire storms.
Four years on, some of the researchers employed during the early stages of the project had already moved on to successful careers in the industry with Ford, IAV U. Deliverables Deliverables not available. Publications Publications not available. Last update: 19 July Record number: Follow us on:. Managed by the EU Publications Office.
Name: Peter Catton Tel: peter. If you would like to know more about our product range, discuss our partner program or wish to arrange a site survey then please give Peter a call or drop him an email. With over thirty years in the fire safety industry, we are at the forefront of incorporating the latest available fire technology to ensure all our customers receive the most efficient and up to date service. Griffin Fire are third party accredited so you can rest assured knowing that we can perform at the highest level and help you meet your legal and insurance obligations. All of our engineers are fully qualified in at least three fire safety disciplines, enabling one engineer to carry out works on your fire alarm system, emergency lighting and your fire extinguishers. What this means to you is fewer site visits, saving you time and money. We are specialists in wireless fire detection having designed and installed hundreds of systems over the last 20 years for the likes of the Foreign Office, RHS Lindley Library as well as nearly 40 of London's finest Theatres including Theatre Royal Drury Lane and Theatre Royal Haymarket.
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RES has earned a number of accreditation certificates as well as having membership to a number of fire industry associations. Raising worldwide standards across a wide range of sectors including fire. View Website. Kitemark provides an independent third party approval that a service consistently meets the requirements of the appropriate standards. FIRAS is the mark of endorsement of competency in the installation of products and systems, vital for achieving the protection required.