Premixed flames
Modelisation and forecast of premixed flames
... OF PREMIXED FLAMES Basile Radisson 1 , Christophe Almarcha ∗1 , Joel Quinard 1 , Elias Al-Sarraf 1 , and Bruno Denet 1 1 Aix-Marseille Universite, CNRS, Centrale Marseille, IRPHE, UMR 7342, 13384 Marseille, ...
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Effects of a Diverging Cup on Swirl Number, Flow Pattern, and Topology of Premixed Flames
... of Premixed Flames Impact of the diverging cup angle of a swirling injector on the flow pattern and stabiliza- tion of technically premixed flames is investigated both theoretically and ...
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Experimental Investigation of Turbulent Premixed Flames under Spark-Ignition Engine-Like Conditions
... Experimental Investigation of Turbulent Premixed Flames under Spark-Ignition Engine-Like Conditions.. Marco Di Lorenzo, Pierre Brequigny, Fabrice Foucher, Christine Mounaïm-Rousselle.[r] ...
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Stabilization mechanisms of sdwirling premixed flames with an axial-plus-tangential swirler
... FIGURE 1. OXYTEC atmospheric test-rig. axially ˙ m z and thus change the swirl number. Burners like the one used by Claypole et al. [21] are based on this principle. The flow-field produced by this type of injector has ...
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Flame chemiluminescence from CO2- and N2-diluted laminar CH4 /air premixed flames
... Laminar flames Premixed flames a b s t r a c t An experimental and numerical investigation of the chemiluminescence signals from OH ∗ , CH ∗ , and CO 2 ∗ is conducted for laminar premixed ...
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Impact of swirl and bluff-body on the transfer function of premixed flames
... of premixed flames sta- bilized by a bluff body is mainly controlled by the shedding of large coherent structures, which are then convected by the mean flow and roll-up the ...of premixed laminar ...
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Unsteady position control of lean premixed flames in a narrow channel
... Fifty Third Japanese Symposium on Combustion Unsteady position control of lean premixed flames in a narrow channel A. Pieyre ∗ , N. Darabiha, F. Richecoeur Laboratoire EM2C, CNRS, CentraleSupélec, ...
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Structural response of different Lewis number premixed flames interacting with a toroidal vortex
... number premixed flames interacting with a toroidal vortex Chaimae Bariki a , Fabien Halter a,∗ , Fabien Thiesset a , Christian Chauveau a , Iskender Gökalp a , Ketana Teav b , Sina Kheirkhah c , Adam ...
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Geometrical properties of turbulent premixed flames and other corrugated interfaces
... turbulent premixed flames, primarily because of the resulting analytical and modelling ...wrinkled flames are treated as a collection of thin layers, whose inner structure is identical to a (possibly ...
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Flammability Limit and NOx formation of fuel enriched lean premixed flames
... As for reformate gas 2, its addition decreases the peak temperature in the flame of equivalence ratio 0.9, while increases that in the flame of equivalence ratio 0.65. The decrease in the temperature of a near ...
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Effects of a Diverging Cup on Swirl Number, Flow Pattern, and Topology of Premixed Flames
... of Premixed Flames Impact of the diverging cup angle of a swirling injector on the flow pattern and stabiliza- tion of technically premixed flames is investigated both theoretically and ...
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The response of premixed flames to pressure oscillations
... of premixed flames to acoustic pressure fluctuations have shed doubt on the validity of analytical models that use irreversible one-step chemistry [1], and suggest that more realistic chemical kinetic ...
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Further examinations on extinction and bifurcations of radiative CH4/air and C3H8/air premixed flames
... https://doi.org/10.1016/S0082-0784(98)80107-0 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Further examinations on extinction and bifurcations of radiative ...
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Darrieus–Landau instability and Markstein numbers of premixed flames in a Hele-Shaw cell
... Keywords: Premixed flames; Darrieus-Landau instability; Hele-Shaw burner; Markstein length 1. Introduction Hydrodynamic flame instabilities can be impor- tant for turbulent burning, particularly at high ...
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Flame chemiluminescence from CO2- and N2-diluted laminar CH4 /air premixed flames
... methane/air premixed conical lami- nar flames, a configuration where the flame surface area is well ...laminar flames are readily com- parable to adiabatic 1-D FPF direct ...Jet-A flames ...
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Suppression of instabilities of swirled premixed flames with minimal secondary hydrogen injection
... 1. Introduction Gas turbines fired with natural gas is one the most efficient so lution for power generation with limited pollutant emissions and reduced carbon dioxide emissions, compared to other power gen eration ...
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Numerical study of the superadiabatic flame temperature phenomenon in hydrocarbon premixed flames
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...
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Flammability limits and NOx formation of reformate gas enriched lean counterflow CH₄/air premixed flames
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...
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Combining analytical models and LES data to determine the transfer function from swirled premixed flames
... 6. Conclusion An analytical model for the acoustic response of a premixed swirled V-shaped flame, called SFTF. has been derived as an ex tension of the swirling FTF model proposed by Palies et al. in (28) . The ...
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Combining analytical models and LES data to determine the transfer function from swirled premixed flames
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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