Conference paper Open Access

Blind-prediction: Estimating the consequences of vented hydrogen deflagrations for homogeneous mixtures in 20-foot ISO containers

Trygve Skjold; Helene Hisken; Sunil Lakshmipathy; Gordon Atanga; Marco Carcassi; Martino Schiavetti; James Stewart; Andrew Newton; James Hoyes; Ilias C. Tolias; Alexandros Venetsanos; Olav Roald Hansen; Jihui Geng; Asmund Huser; Sjur Helland; Romain Jambut; Ke Ren; Alexei Kotchourko; Thomas Jordan; Jérôme Daubech; Guillaume Lecocq; Arve Grønsund Hanssen; Chenthil Kumar; Laurent Krumenacker; Simon Jallais; Derek Miller; Carl Regis Bauwens

This paper was presented at the Seventh International Conference of Hydrogen Safety (ICHS 2017) in Hamburg on 11-13 September 2017.

The paper summarises the results from a blind-prediction study for models developed for estimating the consequences of vented hydrogen deflagrations. The work is part of the project Improving hydrogen safety for energy applications through pre-normative research on vented deflagrations (HySEA). The scenarios selected for the blind-prediction entailed vented explosions with homogeneous hydrogen-air mixtures in a 20-foot ISO container. The test program included two configurations and six experiments, i.e. three repeated tests for each scenario. The comparison between experimental results and model predictions reveals reasonable agreement for some of the models, and significant discrepancies for others. It is foreseen that the first blind-prediction study in the HySEA project will motivate developers to improve their models, and to update guidelines for users of the models.

The paper is a deliverable from the project “Improving hydrogen safety for energy applications through pre-normative research on vented deflagrations”, or HySEA (www.hysea.eu), which receives funding from the Fuel Cells and Hydrogen Joint Undertaking (FCH JU) under grant agreement no. 671461. This Joint Undertaking receives support from the European Union’s Horizon 2020 research and innovation programme and United Kingdom, Italy, Belgium and Norway.

The work described in this paper is a deliverable from the project "Improving hydrogen safety for energy applications through pre-normative research on vented deflagrations", or HySEA (www.hysea.eu), which received funding from the Fuel Cells and Hydrogen Joint Undertaking (FCH JU) under grant agreement no. 671461. The paper is part of the Proceedings from the Seventh International Conference on Hydrogen Safety (ICHS 2017), ISBN 978-88-902391, pp. 639-652.
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