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Large Eddy Simulation of Vented Deflagration

Quillatre, Pierre and Vermorel, Olivier and Poinsot, Thierry and Ricoux, Philippe Large Eddy Simulation of Vented Deflagration. (2013) Industrial & Engineering Chemistry Research, 52 (33). 11414-11423. ISSN 0888-5885

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Official URL: http://dx.doi.org/10.1021/ie303452p

Abstract

In order to understand gas explosion phenomena in industrial buildings, a reduced-scale vented combustion 6 chamber is investigated numerically. In this configuration, a flame is ignited in an initially quiescent flammable mixture and 7 propagates past solid obstacles, generating a strong pressure increase. The aim of this numerical study is twofold: The first 8 objective is to show how large eddy simulation manages to reproduce the parameters of critical relevance for this multiscale 9 problem, in particular the overpressure generated during the flame propagation. The second objective is to highlight that, even if 10 large- to small-scale turbulence effects play a crucial role in the flame development and the resulting overpressure, it is also 11 needed to correctly account for thermo-diffusive scale phenomena.

Item Type:Article
Additional Information:Thanks to ACS editor. The original publication is available at http://pubs.acs.org
HAL Id:hal-00949063
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Total (FRANCE)
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Deposited On:05 Dec 2013 14:15

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