Search Results - "Demoulin, F.X."

Eulerian–Lagrangian spray atomization model coupled with interface capturing method for diesel injectors by Anez, J., Ahmed, A., Hecht, N., Duret, B., Reveillon, J., Demoulin, F.X.

“…•Extension.of the ELSA model to LES to describe atomization, with a special care of the liquid-gas interface description.•A dynamic procedure has been set up…”
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Improving primary atomization modeling through DNS of two-phase flows by Duret, B., Reveillon, J., Menard, T., Demoulin, F.X.

“…•Recent progresses allow for a direct resolution of both flow and interface.•Direct resolution is applied to study atomization and interface…”
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Evaporating droplets in turbulent reacting flows by Reveillon, J., Demoulin, F.X.

“…Three-dimensional direct numerical simulations are carried out to determine the effects of turbulence on the preferential segregation of an evaporating spray…”
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Modeling of turbulent spray combustion with application to diesel like experiment by Demoulin, F.X., Borghi, R.

“…Turbulent combustion within sprays has been studied. Experiment and theory predict that the presence of fuel droplets leads to an increase in the fluctuations…”
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Numerical modeling of the impact of a large scale waterfall on a solid plate by Hamdani, Hakim, Reveillon, Julien, Anez, Javier, Duret, Benjamin, Demoulin, F.X.

“…Recent hydroelectric power plant safety developments have necessitated detailed studies on dam spillway operations, especially during emergency water discharge…”
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COMPUTATIONAL STUDY ON THE EFFECT OF THERMODYNAMIC OPERATING CONDITIONS ON PRIMARY ATOMIZATION IN PRESSURE-SWIRL ATOMIZERS by Salvador, F.J., Carreres, M., Demoulin, F.X., Lozano, A.

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Vapor mixing in turbulent vaporizing flows by Martinez, L. Germes, Duret, B., Reveillon, J., Demoulin, F.X.

“…Scalar mixing and evaporation processes are analyzed in a compressible two-phase homogeneous and isotropic turbulence configuration. To this end, the fully…”
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A new DNS formalism dedicated to turbulent two-phase flows with phase change by Martinez, L. Germes, Duret, B., Reveillon, J., Demoulin, F.X.

“…Phase change in multiphase flows occurs in many natural and industrial applications, e.g., rain formation, internal combustion engines, heat exchangers,…”
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A pressure based method for vaporizing compressible two-phase flows with interface capturing approach by Duret, B., Canu, R., Reveillon, J., Demoulin, F.X.

“…•A pressure-based method dedicated to the DNS of turbulent two-phase flows is presented.•The Coupled Level Set/VOF method is used to capture the interface and…”
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Numerical simulation of cavitation for liquid injection in non-condensable gas by Ahmed, A., Duret, B., Reveillon, J., Demoulin, F.X.

“…•A numerical framework to handle cavitation with an interface capturing method is presented.•A three phase formalism has been developed in OpenFOAM to consider…”
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CFD simulation of premixed flames propagating in an obstacles network by Reveillon, J., Franquet, E., Langrée, C., Lecocq, G., Duret, B., Demoulin, F.X.

“…The objective of this work is to study the propagation of a premixed flame through numerous obstacles and to observe the flame/obstacle interactions. Several…”
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An attempt to predict spray characteristics at early stage of the atomization process by using surface density and curvature distribution by Palanti, L., Puggelli, S., Langone, L., Andreini, A., Reveillon, J., Duret, B., Demoulin, F.X.

“…Nowadays, numerical simulations of atomization has reached a mature state through interface capturing approaches. With these approaches, the liquid–gas flow…”
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Where does the droplet size distribution come from? by Canu, Romain, Puggelli, Stefano, Essadki, Mohamed, Duret, Benjamin, Menard, Thibaut, Massot, Marc, Reveillon, Julien, Demoulin, F.X.

“…This study employs DNS of two-phase flows to enhance primary atomization understanding and modeling to be used in numerical simulation in RANS or LES…”
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Development of a turbulent liquid flux model for Eulerian–Eulerian multiphase flow simulations by Andreini, Antonio, Bianchini, Cosimo, Puggelli, Stefano, Demoulin, F.X.

“…•Development of a Quasi-Multiphase Eulerian (QME) approach for liquid atomization.•Assessment of first order closure unreliability for turbulent liquid flux…”
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Numerical simulation of primary break-up and atomization: DNS and modelling study by Lebas, R., Menard, T., Beau, P.A., Berlemont, A., Demoulin, F.X.

“…This work deals with numerical simulations of atomization with high Weber and Reynolds values. A special attention has been devoted to the modelling of primary…”
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DNS analysis of turbulent mixing in two-phase flows by Duret, B., Luret, G., Reveillon, J., Menard, T., Berlemont, A., Demoulin, F.X.

“…► In liquid–gas flows, the interface evolved with the turbulent flow. ► Recent progresses in numeric allow for a direct resolution of both flow and interface…”
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A zonal grid method for incompressible two-phase flows by Dabonneville, F., Hecht, N., Reveillon, J., Pinon, G., Demoulin, F.X.

“…•A new zonal grid based numerical method applicable to two-phase flows.•Strong reduction of the computational time for flows with high speed…”
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Flame/Wall Interactions: Laminar Study of Unburnt HC Formation by Chauvy, Marc, Delhom, Bruno, Reveillon, Julien, Demoulin, Francois-Xavier

“…This work presents a numerical study dedicated to the formation of unburnt hydrocarbon. Two configurations: head-on quenching (HOQ) on a planar wall and in…”
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Flame speed oscillations in combustion of two-phase mixtures by F. Atzler, F.X. Demoulin, M. Lawes, Y. Lee, N. Marquez

“…The phenomenon of flame oscillation, the cyclic variation of flame speed during flame development, has been studied in the past in clouds of dust or droplets…”
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Assumed PDF Modeling of Turbulent Spray Combustion by DEMOULIN, F.X., BORGHI, R.

“…The present study is a new step in the attempt to extend an approach used in the modeling of gaseous turbulent combustion to spray turbulent combustion. Our…”
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