Search Results - "Renou, Bruno"

Local extinction mechanisms analysis of spray jet flame using high speed diagnostics by Verdier, Antoine, Marrero Santiago, Javier, Vandel, Alexis, Godard, Gilles, Cabot, Gilles, Renou, Bruno

“…This paper reports an experimental study where flame structure, flow topology and local extinction mechanisms of n-heptane spray flames are investigated. The…”
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Quantitative imaging of nitric oxide concentration in a turbulent n-heptane spray flame by Mulla, Irfan A., Godard, Gilles, Cabot, Gilles, Grisch, Frédéric, Renou, Bruno

“…The present work reports quantitative planar imaging of Nitric Oxide (NO) concentration in a dilute spray flame at atmospheric pressure, contributing to CORIA…”
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Simultaneous imaging of soot volume fraction, PAH, and OH in a turbulent n-heptane spray flame by Mulla, Irfan A., Renou, Bruno

“…Soot formation and oxidation in a turbulent n-heptane jet spray flame are investigated through simultaneous imaging of quantitative soot volume fraction (fv),…”
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Measurement of laminar burning velocity and Markstein length relative to fresh gases using a new postprocessing procedure: Application to laminar spherical flames for methane, ethanol and isooctane/air mixtures by Varea, Emilien, Modica, Vincent, Vandel, Alexis, Renou, Bruno

“…The purpose of this study is to present a new tool for extracting the laminar burning velocity in the case of spherically outward expanding flames. This new…”
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On the mechanisms of flame kernel extinction or survival during aeronautical ignition sequences: Experimental and numerical analysis by Marrero-Santiago, Javier, Collin-Bastiani, Felix, Riber, Eleonore, Cabot, Gilles, Cuenot, Benedicte, Renou, Bruno

“…A detailed study of ignition mechanisms in aeronautical burners is presented. Even in global lean conditions, liquid fuel injection leads to a strong…”
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Determination of burning velocities from spherically expanding H 2 /air flames by Varea, Emilien, Beeckmann, Joachim, Pitsch, Heinz, Chen, Zheng, Renou, Bruno

“…Laminar burning velocities of hydrogen/air mixtures can show discrepancies up to 30%, making chemical mechanism validation and improvement difficult. The…”
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Assessment of kinetic models for the production of γ-valerolactone developed in isothermal, adiabatic and isoperibolic conditions by Salcedo, Wenel Naudy Vásquez, Mignot, Mélanie, Renou, Bruno, Leveneur, Sébastien

“…•Use of reaction calorimeter for the hydrogenation of levulinate.•Kinetic experiments in isothermal, isoperibolic and adiabatic modes.•Assessment of kinetic…”
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Determination of burning velocities from spherically expanding H2/air flames by Varea, Emilien, Beeckmann, Joachim, Pitsch, Heinz, Chen, Zheng, Renou, Bruno

“…Laminar burning velocities of hydrogen/air mixtures can show discrepancies up to 30%, making chemical mechanism validation and improvement difficult. The…”
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Pressure effects on laminar burning velocities and Markstein lengths for Isooctane–Ethanol–Air mixtures by Varea, Emilien, Modica, Vincent, Renou, Bruno, Boukhalfa, Abdelkrim M.

“…A new method for extracting the laminar burning velocity from the difference between the flame speed and the local fresh gas velocity at the entrance of the…”
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Instantaneous planar measurements of nitric oxide concentration in a turbulent n-heptane spray flame by Mulla, Irfan A., Godard, Gilles, Renou, Bruno

“…Instantaneous and mean nitric oxide (NO) concentrations are measured in a turbulent, lifted, n-heptane jet spray flame at an atmospheric pressure using planar…”
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Experimental study of local flame structures and fuel droplet properties of a spray jet flame by Verdier, Antoine, Marrero Santiago, Javier, Vandel, Alexis, Saengkaew, Sawitree, Cabot, Gilles, Grehan, Gerard, Renou, Bruno

“…An n-heptane spray jet flame is characterised through quantitative measurements using laser-based techniques. The experimental set-up is composed of an annular…”
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Experimental analysis of laser-induced spark ignition of lean turbulent premixed flames: New insight into ignition transition by Cardin, Céline, Renou, Bruno, Cabot, Gilles, Boukhalfa, Abdelkrim Mourad

“…Recently, Shy and his co-workers reported a turbulent ignition transition based on measurements of minimum ignition energies (MIE) of lean premixed turbulent…”
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A study of propagation of spherically expanding flames at low pressure using direct measurements and numerical simulations by Clavel, Marie-Eve, Schleuniger, Pierre, Wang, Yiqing, Vandel, Alexis, Modica, Vincent, Chen, Zheng, Renou, Bruno

“…The outwardly propagating spherical flame (OPF) method is widely used to measure the laminar burning velocity (LBV). However, there are still numerous…”
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Combustion for aircraft propulsion: Progress in advanced laser-based diagnostics on high-pressure kerosene/air flames produced with low-NOx fuel injection systems by Legros, Sylvain, Brunet, Clément, Domingo-Alvarez, Patricia, Malbois, Pierre, Salaun, Erwan, Godard, Gilles, Caceres, Marcos, Barviau, Benoit, Cabot, Gilles, Renou, Bruno, Lartigue, Ghislain, Moureau, Vincent, Puggelli, Stefano, Richard, Stéphane, Boukhalfa, Mourad Abdelkrim, Grisch, Frédéric

“…The challenges in designing high-performance aeronautical combustion systems have not changed significantly over the years, but the increase of stringent…”
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Formalism for spatially averaged consumption speed considering spherically expanding flame configuration by Lefebvre, Alexandre, Larabi, Hakim, Moureau, Vincent, Lartigue, Ghislain, Varea, Emilien, Modica, Vincent, Renou, Bruno

“…The determination of laminar burning velocity is a complex task. Even though its definition is well established, achieving a good and reliable value of this…”
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Flame propagation in aeronautical swirled multi-burners: Experimental and numerical investigation by Barré, David, Esclapez, Lucas, Cordier, Matthieu, Riber, Eleonore, Cuenot, Bénédicte, Staffelbach, Gabriel, Renou, Bruno, Vandel, Alexis, Gicquel, Laurent Y.M., Cabot, Gilles

“…Driven by pollutant emissions stringent regulations, engines manufacturers tend to reduce the number of injectors and rely on lean combustion which impacts the…”
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A study of propagation of spherically expanding and counterflow laminar flames using direct measurements and numerical simulations by Jayachandran, Jagannath, Lefebvre, Alexandre, Zhao, Runhua, Halter, Fabien, Varea, Emilien, Renou, Bruno, Egolfopoulos, Fokion N.

“…Spherically expanding and counterflow flame configurations are used extensively to determine laminar flame speeds. Significant advances have been made over the…”
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Effect of injector spacing in the light-around ignition efficiency and mechanisms in a linear swirled spray burner by Marrero-Santiago, Javier, Verdier, Antoine, Vandel, Alexis, Cabot, Gilles, Boukhalfa, Abdelkrim Mourad, Renou, Bruno

“…The ignition behaviour of a linear swirled spray burner is investigated experimentally. The study focuses on the mechanism of light-around, namely the…”
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Experimental study of droplet temperature in a two-phase heptane/air V-flame by Letty, Camille, Renou, Bruno, Reveillon, Julien, Saengkaew, Sawitree, Gréhan, Gérard

“…An understanding of the complex phenomena involved in droplet combustion, such as two-phase flows and heat/mass transfer, is a necessary step towards improving…”
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Reaction enthalpies for the hydrogenation of alkyl levulinates and levulinic acid on Ru/C– influence of experimental conditions and alkyl chain length by Delgado, Jose, Vásquez Salcedo, Wenel Naudy, Devouge-Boyer, Christine, Hebert, Jean-Pierre, Legros, Julien, Renou, Bruno, Held, Christoph, Grenman, Henrik, Leveneur, Sébastien

“…The development of process flow diagrams requires knowledge of reaction enthalpy for pinch analysis and thermal risk assessment. Such information is missing…”
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