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    Numerical Modelling of Soot Formation in Laminar Axisymmetric Ethylene-Air Coflow Flames at Atmospheric and Elevated Pressures

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    P5-02.pdf
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    Type
    Conference Paper
    Authors
    Abdelgadir, Ahmed Gamaleldin cc
    Rakha, Ihsan Allah cc
    Steinmetz, Scott A.
    Attili, Antonio
    Bisetti, Fabrizio cc
    Roberts, William L. cc
    KAUST Department
    Clean Combustion Research Center
    Date
    2015-03-30
    Permanent link to this record
    http://hdl.handle.net/10754/581490
    
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    Abstract
    A set of coflow diffusion flames are simulated to study the formation, growth, and oxidation of soot in flames of diluted hydrocarbon fuels, with focus on the effects of pressure. Firstly, we assess the ability of a high performance CFD solver, coupled with detailed transport and kinetic models, to reproduce experimental measurements of a series of ethylene-air coflow flames. Detailed finite rate chemistry describing the formation of Polycyclic Aromatic Hydro-carbons is used. Soot is modeled with a moment method and the resulting moment transport equations are solved with a Lagrangian numerical scheme. Numerical and experimental results are compared for various pressures. Finally, a sensitivity study is performed assessing the effect of the boundary conditions and kinetic mechanisms on the flame structure and stabilization properties.
    Journal
    Proceedings of the European Combustion Meeting 2015
    Conference/Event name
    the 7th European Combustion Meeting (ECM 2015)
    Additional Links
    http://www.ecm2015.hu/papers/P5-02.pdf
    Collections
    Conference Papers; Clean Combustion Research Center

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