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  1. No Access

    Chapter and Conference Paper

    A Second Order Numerical Scheme for Large-Eddy Simulation of Compressible Flows

    the context of large eddy simulation of turbulent flows, the control of kinetic energy seems to be an essential requirement for a numerical scheme. We propose in this paper a formally second order non...

    B. Gamal, L. Gastaldo, J.-C. Latché… in Finite Volumes for Complex Applications IX… (2020)

  2. No Access

    Chapter and Conference Paper

    A Priori Analysis of Dynamic Models for Large Eddy Simulations of Turbulent Premixed Combustion

    Large eddy simulation (LES) gives access to unsteady flame behaviours as encountered during transient ignition.

    D. Veynante, V. Moureau, M. Boileau, T. Schmitt in Direct and Large-Eddy Simulation IX (2015)

  3. No Access

    Article

    LES Modeling of the Impact of Heat Losses and Differential Diffusion on Turbulent Stratified Flame Propagation: Application to the TU Darmstadt Stratified Flame

    Common combustion chambers often exhibit turbulent flames propagating in partially-premixed mixtures. This propagation is generally governed by aerodynamics, unsteady mixing and chemical processes and may also...

    R. Mercier, P. Auzillon, V. Moureau, N. Darabiha… in Flow, Turbulence and Combustion (2014)

  4. No Access

    Article

    Fuel Composition Effects on Flame Stretch in Turbulent Premixed Combustion: Numerical Analysis of Flame-Vortex Interaction and Formulation of a New Efficiency Function

    Direct numerical simulations (DNS) of flame-vortex interaction are performed to study the effect of fuel composition on premixed flames wrinkling. Flame stretches are deduced from the DNS and compared with phe...

    S. Bougrine, S. Richard, O. Colin, D. Veynante in Flow, Turbulence and Combustion (2014)

  5. No Access

    Article

    Numerical investigation for prediction of pollutants formation type CO and NO in premixed turbulent flame using an extended coherent flame model

    This study describes a numerical effort to predict pollutant species such as CO and NO formed in premixed turbulent flame using an extended coherent flame model. This model is used to predict pollutant emissio...

    A. Bentebbiche, K. Bouhadef, D. Veynante, E. Esposito in Forschung im Ingenieurwesen (2005)

  6. No Access

    Chapter and Conference Paper

    Experimental Study of the Filtered Progress Variable Approach for LES of Premixed Combustion

    A filtered progress variable approach for large eddy simulation of premixed combustion is investigated using experimental data obtained in a V-shaped turbulent flame. The filtered flame surface density, relate...

    R. Knikker, D. Veynante in Advances in LES of Complex Flows (2002)

  7. No Access

    Chapter and Conference Paper

    Large Eddy Simulation of a Non-Premixed Turbulent Burner Using a Dynamically Thickened Flame Model

    A new LES subgrid scale turbulent combustion model, adapted to combustion regimes which are nor perfectly premixed or non-premixed, is tested in a simplified configuration. This model does not require any a pr...

    J. P. Légier, T. Poinsot, B. Varoquié… in IUTAM Symposium on Turbulent Mixing and Co… (2002)

  8. No Access

    Chapter and Conference Paper

    Challenges in Modeling Scalars in Turbulence and LES

    This paper discusses three interrelated aspects of modeling scalar transport, mixing and combustion, in the context of large-eddy simulations (LES). In terms of passive scalar modeling, we find from heated wak...

    C. Meneveau, H. S. Kang, F. Charlette… in IUTAM Symposium on Turbulent Mixing and Co… (2002)

  9. No Access

    Article

    LES of Chemical and Acoustic Forcing of a Premixed Dump Combustor

    This paper describes the first steps in the development of a large eddy simulation (LES) code able to compute combustion instabilities in gas turbines. This code was used to compute the forcing of an experimen...

    C. Angelberger, D. Veynante, F. Egolfopoulos in Flow, Turbulence and Combustion (2000)

  10. No Access

    Chapter and Conference Paper

    Direct Numerical Simulation Analysis of The G-Equation in Premixed Combustion

    This study is aimed at the development of a method applicable to the description of turbulent premixed flames in large eddy simulation framework. The basic idea is to use a transport equation to describe the p...

    J. Piana, D. Veynante, S. Candel, T. Poinsot in Direct and Large-Eddy Simulation II (1997)

  11. No Access

    Chapter and Conference Paper

    Reynolds Averaged and Large Eddy Simulation Modeling for Turbulent Combustion

    Combustion is a widely used technique in energy transformation and is encountered in many practical systems such as heaters, domestic or industrial furnaces, thermal power plants, automotive and aeronautic eng...

    D. Veynante, T. Poinsot in New Tools in Turbulence Modelling (1997)

  12. No Access

    Article

    Simulation and modeling of reactive shear layers

    Numerical simulation is used in this article to study the structure and dynamics of a spatially growing reactive mixing layer. It is assumed in this analysis that the chemistry is infinitely fast and that it m...

    B. Delhaye, D. Veynante, S. M. Candel… in Theoretical and Computational Fluid Dynami… (1994)

  13. No Access

    Chapter and Conference Paper

    Laser Velocity and Density Measurement of a Flat Counter Flow Diffusion Flame

    This paper presents non-intrusive measuring techniques for velocity and density measurements of a flat counter flow diffusion flame. Classical LDV-measurements become difficult near such flames because of stro...

    F. Durst, E. Dornberger, G. Jakob, J. C. Rolon… in Aerothermodynamics in Combustors (1992)

  14. No Access

    Article

    Counter jet stagnation flows

    The present paper concerns the stagnation flow produced by counter flowing air jets. Little experimental information exists on such flows in spite of their extensive employment in the theoretical treatment of ...

    J. C. Rolon, D. Veynante, J. P. Martin, F. Durst in Experiments in Fluids (1991)

  15. No Access

    Chapter and Conference Paper

    Coherent Flame Model for Non-Uniformly Premixed Turbulent Flames

    Modelling premixed turbulent flames is of importance in a variety of technological applications. In many industrial combustors, reactants may not be uniformly mixed and the local equivalence ratio depends on t...

    D. Veynante, F. Lacas, E. Maistret, S. M. Candel in Turbulent Shear Flows 7 (1991)

  16. No Access

    Chapter and Conference Paper

    A numerical study of propagating premixed turbulent flames

    Further studies have to be carried out to improve the description of the dominant processes which govern the propagation of turbulent flames. Of special interest is the influence of laminar flame speed in the ...

    F. Lacas, D. Veynante, S.M. Candel in Numerical Combustion (1989)

  17. No Access

    Chapter and Conference Paper

    Morphology of Flames Submitted to Pressure Waves

    The influence of pressure waves on the mean structure of a turbulent flame is described. Two cases are presented :

    1. When the p...

    T. Poinsot, A. Trouve, D. Veynante, S. M. Candel, E. Esposito in Turbulent Reactive Flows (1989)