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Experimental and numerical investigation of weak blast wave interaction with a three levels building

Abstract : The present work shows that weak blast waves that are considered as being harmless can turn to become fatal upon their reflections from walls and corners inside a penetrated building. In the experimental part, weak blast waves were generated by using an open-end shock tube. A three level building model was placed in vicinity to the open-end of the used shock tube. The evolved wave pattern inside the building rooms was recorded by a sequence of schlieren photographs; also pressure histories were recorded on the rooms' walls. In addition, numerical simulations of the evolved flow field inside the building was conducted. The good agreement obtained between numerical and experimental results allows running the used code for identifying safety and dangerous places inside the building rooms penetrated by the weak blast wave.
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Submitted on : Thursday, May 17, 2018 - 9:37:24 AM
Last modification on : Monday, July 22, 2019 - 11:46:09 AM
Long-term archiving on: : Tuesday, September 25, 2018 - 5:42:12 PM

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Jacques Massoni, Laurent Biamino, Georges Jourdan, Ozer Igra, Lazhar Houas. Experimental and numerical investigation of weak blast wave interaction with a three levels building. Journal of Fluids Engineering, American Society of Mechanical Engineers, 2017. ⟨hal-01791449⟩

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