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Conference Papers Year : 2007

Large-scale hydrogen release in an isothermal confined area


INERIS has set up large-scale fully instrumented experiments to study the formation of flammable clouds resulting from a finite duration spillage of hydrogen in a quiescent room (80 m3 chamber). Concentration, temperature and mass flow measurements were monitored during the release period and several hours after. Experiments were carried out for mass flow rates ranging from 0,2 g/s to 1 g/s. The instrumentation allowed the observation and quantification of rich hydrogen layers stratification effects. This paper presents both the experimental facility and the test results. These experimental results can be used to assess and benchmark CFD tools capabilities.
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ineris-00973269 , version 1 (04-04-2014)


  • HAL Id : ineris-00973269 , version 1
  • INERIS : EN-2007-235


Jean-Marc Lacome, Yves Dagba, Lionel Perrette, Didier Jamois, Christophe Proust. Large-scale hydrogen release in an isothermal confined area. 2. International Conference on hydrogen safety (ICHS 2007), Sep 2007, San Sebastian, Spain. pp.7. ⟨ineris-00973269⟩


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