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Numerical Simulations For Smouldering in a Horizontal Channel: Comparisons between variable density based formulation and incompressible one

Yang, Chen and Debenest, Gérald Numerical Simulations For Smouldering in a Horizontal Channel: Comparisons between variable density based formulation and incompressible one. (2014) Combustion Science and Technology, 186 (12). 1954-1974. ISSN 0010-2202

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Official URL: http://dx.doi.org/10.1080/00102202.2014.930028

Abstract

In the present study, numerical simulations for smoldering in a horizontal channel are performed for both compressible and incompressible flows. The reactant gas is passing through the char surface, where the chemical reaction is going to take place. For the sake of simplicity, the smoldering is treated to be a single step chemical reaction. In the incompressible flow, a set of governing parameters are discussed to elucidate their influences on the process of smoldering. Furthermore, the variations of density and dynamic viscosity of gaseous mixture are taken into account in the compressible flow. The comparison between the compressible and incompressible flows reveals that the effects of local compressibility and gaseous mixture on the propagation of smoldering wave are striking.

Item Type:Article
Additional Information:Thanks to Taylor & Francis editor. The definitive version is available at http://www.tandfonline.com/doi/abs/10.1080/00102202.2014.930028#.Vai77rXp_5U
HAL Id:hal-01177816
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: Gerald DEBENEST
Deposited On:08 Jul 2014 06:49

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