Search Results - "Vervisch, L."

From Large-Eddy Simulation to Direct Numerical Simulation of a lean premixed swirl flame: Filtered laminar flame-PDF modeling by Moureau, V., Domingo, P., Vervisch, L.

“…Large-Eddy Simulations (LES) and Direct Numerical Simulation (DNS) are applied to the analysis of a swirl burner operated with a lean methane–air mixture and…”
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Large-eddy simulation of a lifted methane jet flame in a vitiated coflow by Domingo, P., Vervisch, L., Veynante, D.

“…The impact of burned gases on flame stabilization is analyzed under the conditions of a laboratory jet flame in vitiated coflow. In this experiment, mass flow…”
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A dedication to Professor Kenneth Noel Corbett Bray by Swaminathan, N., Cant, R.S., Vervisch, L.

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Progress Variable Variance and Filtered Rate Modelling Using Convolutional Neural Networks and Flamelet Methods by Nikolaou, Z. M., Chrysostomou, C., Vervisch, L., Cant, S.

“…A purely data-driven modelling approach using deep convolutional neural networks is discussed in the context of Large Eddy Simulation (LES) of turbulent…”
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Evaluation of a Neural Network-Based Closure for the Unresolved Stresses in Turbulent Premixed V-Flames by Nikolaou, Z. M., Chrysostomou, C., Minamoto, Y., Vervisch, L.

“…Data-driven modelling in fluid mechanics is a promising alternative given the continuous increase of computational power and data-storage capabilities. Highly…”
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Large eddy simulation of forced ignition of an annular bluff-body burner by Subramanian, V., Domingo, P., Vervisch, L.

“…The optimization of the ignition process is a crucial issue in the design of many combustion systems. Large eddy simulation (LES) of a conical shaped…”
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A Priori Assessment of an Iterative Deconvolution Method for LES Sub-grid Scale Variance Modelling by Nikolaou, Z. M., Vervisch, L.

“…An alternative method is proposed as a means for providing a closure for the sub-grid-scale variance, which is a key quantity in reacting flow simulations. The…”
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Approximating the chemical structure of partially premixed and diffusion counterflow flames using FPI flamelet tabulation by Fiorina, B., Gicquel, O., Vervisch, L., Carpentier, S., Darabiha, N.

“…Various strategies have been proposed to tabulate complex chemistry for subsequent introduction into fluid mechanics computations. Some of them are grounded on…”
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A conservative Eulerian-Lagrangian decomposition principle for the solution of multi-scale flow problems at high Schmidt or Prandtl numbers by Leer, M., Pettit, M.W.A., Lipkowicz, J.T., Domingo, P., Vervisch, L., Kempf, A.M.

“…The simulation of turbulent flow that involves scalar transport at high Schmidt or Prandtl numbers is a major challenge. Enhanced Schmidt and Prandtl numbers…”
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Derivation and analysis of two-dimensional composition space equations for multi-regime combustion using orthogonal coordinates by Scholtissek, A., Popp, S., Hartl, S., Olguin, H., Domingo, P., Vervisch, L., Hasse, C.

“…Interactions between premixed and non-premixed reaction zones can lead to complex mixed combustion regimes, here denoted as multi-regime combustion, which pose…”
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Composition-space premixed flamelet solution with differential diffusion for in situ flamelet-generated manifolds by Lodier, G., Vervisch, L., Moureau, V., Domingo, P.

“…Canonical flame problems have been widely used in the combustion literature to tabulate detailed chemistry. Prior to three-dimensional flame simulations,…”
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DNS analysis of partially premixed combustion in spray and gaseous turbulent flame-bases stabilized in hot air by Domingo, Pascale, Vervisch, Luc, Réveillon, Julien

“…Direct numerical simulations of weakly turbulent-lifted flame bases are examined in the case of both gaseous and spray fuel jet injection. Simplified transport…”
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Role of the progress variable in models for partially premixed turbulent combustion by Bray, Ken, Domingo, Pascale, Vervisch, Luc

“…It is shown that if partially premixed combustion is described in terms of a mixture fraction and a progress variable, scalar dissipation terms appear in the…”
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Mixing time-history effects in Large Eddy Simulation of non-premixed turbulent flames: Flow-Controlled Chemistry Tabulation by Enjalbert, N., Domingo, P., Vervisch, L.

“…The time history of mixing is known to play a crucial and non-trivial role in non-premixed turbulent combustion. In a first part, Eulerian balance equations…”
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Model Equation for the Dynamics of Wrinkled Shockwaves: Comparison with DNS and Experiments by Denet, B., Biamino, L., Lodato, G., Vervisch, L., Clavin, P.

“…A model equation for the dynamics and the geometry of the wrinkled front of shock waves, obtained for strong shocks in the Newtonian limit, is tested by…”
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Two approaches of chemistry downsizing for simulating selective non catalytic reduction DeNOx process by Farcy, B., Abou-Taouk, A., Vervisch, L., Domingo, P., Perret, N.

“…•Chemistry in Selective Non Catalytic Reduction (SNCR) DeNOx process is studied.•Two automated methods are discussed for SNCR chemistry reduction.•The…”
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Spray vaporization in nonpremixed turbulent combustion modeling: a single droplet model by Réveillon, J., Vervisch, L.

“…The injection of liquid fuel is a common procedure in turbulent combustion devices operating in the nonpremixed regime. Various numerical models may be found…”
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A multi-zone self-similar chemistry tabulation with application to auto-ignition including cool-flames effects by Ribert, G., Wang, K., Vervisch, L.

“…► A multi-zone self-similar chemistry tabulation technique is proposed for both coolflame and high-temperature auto-ignition regimes. ► This tabulation…”
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Modeling subgrid scale mixture fraction variance in LES of evaporating spray by Pera, Cécile, Réveillon, Julien, Vervisch, Luc, Domingo, Pascale

“…Simulations of a dilute spray evaporating in spatially decaying homogeneous turbulence are performed. An Eulerian description of the flow is adopted, while the…”
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Optimized Reduced Chemistry and Molecular Transport for Large Eddy Simulation of Partially Premixed Combustion in a Gas Turbine by Abou-Taouk, A., Farcy, B., Domingo, P., Vervisch, L., Sadasivuni, S., Eriksson, L.-E.

“…A methodology is discussed to automatically determine the parameters of closed budget equations for chemical species mass fractions and energy, in order to…”
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