Comptes Rendus
no. 8
Towards a fast-running method for blast-wave mitigation by a prismatic blast wall
Sébastien Éveillard1, 2  ; Nicolas Lardjane1  ; Jean-Yves Vinçont1  ; Isabelle Sochet2
1 CEA, DAM, DIF, Bruyères-le-Châtel, 91297 Arpajon, France
2 Laboratoire PRISME – École nationale supérieure dʼingénieurs de Bourges, 88, bd Lahitolle, 18020 Bourges, France
Comptes Rendus. Mécanique, Volume 341 (2013) no. 8, pp. 625-635.

A procedure aimed at developing a fast-running method for blast-wave effects characterization behind a protection barrier is presented. Small-scale experiments of a hemispherical gaseous charge (stoichiometric propane–oxygen mixture) without and with a prismatic protective barrier are used to validate the use of an in-house CFD code for gaseous detonation. From numerical experiments, pressure loss of a blast wave at a corner is quantified. These fits, in conjunction with TM5-1300 reflection charts, are used to estimate the maximum overpressure around a protective barrier through geometrical and empirical laws. The results show good agreement with numerical and experimental data from the ANR-BARPPRO research project.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/j.crme.2013.06.004
Mots clés : Explosion, Blast wave, Computational fluid dynamics, Small-scale experiments, Fast-running, Protection barrier, Gaseous detonation
Sébastien Éveillard 1, 2 ; Nicolas Lardjane 1 ; Jean-Yves Vinçont 1 ; Isabelle Sochet 2

1 CEA, DAM, DIF, Bruyères-le-Châtel, 91297 Arpajon, France
2 Laboratoire PRISME – École nationale supérieure dʼingénieurs de Bourges, 88, bd Lahitolle, 18020 Bourges, France 
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Sébastien Éveillard; Nicolas Lardjane; Jean-Yves Vinçont; Isabelle Sochet. Towards a fast-running method for blast-wave mitigation by a prismatic blast wall. Comptes Rendus. Mécanique, Volume 341 (2013) no. 8, pp. 625-635. doi : 10.1016/j.crme.2013.06.004. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2013.06.004/

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