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Modelling of Ventilated Hydrogen Dispersion in Presence of Co-flow and Counter-flow

Abstract

In the framework of the EU-funded project, HyTunnel-CS, an inter-comparison among partners CFD simulations  has  been  carried  out.  The simulations  are  based  on  experiments  conducted   within  the project by Pro-Science and involve hydrogen release inside a safety vessel testing different ventilation configurations. The different ventilation configurations that were tested are co-flow, counter-flow and cross-flow.  In the  current  study,  co-flow  and  counter-flow  tests   along  with  the  no  ventilation  test (m'  = S g/s,  d = 4 mm ) are simulated with the aim to validate available and well-known CFD codes against  such  applications  and  to  provide   recommendations  on  modeling  strategies. Special  focus  is given on modeling the velocity field produced by the fan during the experiments. The computational results are compared with the experimental results and a discussion follows regarding the efficiency of each ventilation configuration.

Funding source: The research leading to these results was financially supported by the HyTunnel-CS which has received funding from the Fuel Cells and Hydrogen 2 Joint Undertaking under grant agreement No 826193. This Joint Undertaking receives support from the European Union’s Horizon 2020 research and innovation programme, Hydrogen Europe and Hydrogen Europe research. Numerical simulations conducted in this research by Ulster University were supported via the project Kelvin-2 funded by Engineering and Physical Science Council (EPSRC) U.K. (EPSRC grant number EP/T022175/1).
Related subjects: Safety
Countries: Greece ; United Kingdom
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2021-09-24
2024-03-29
http://instance.metastore.ingenta.com/content/conference3473
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