Sébastien Ducruix
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View article: Large eddy simulation of a LOx/CH4 coaxial injection configuration under acoustic modulation and comparison with reduced order modeling of thermoacoustic instabilities
Large eddy simulation of a LOx/CH4 coaxial injection configuration under acoustic modulation and comparison with reduced order modeling of thermoacoustic instabilities Open
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View article: Thermo-Acoustic Instabilities and Shape Bifurcations of a Pilot-Only Spray Flame in a Staged Burner
Thermo-Acoustic Instabilities and Shape Bifurcations of a Pilot-Only Spray Flame in a Staged Burner Open
Aircraft engine manufacturers develop new combustion technologies to comply with stricter regulations on pollutant emissions, such as nitrous oxides or soot. Staged systems coupled with lean premixed combustion show promising prospects to …
View article: Characterization and modeling of the flame response to high frequency propellant flow rates oscillations in the framework of thermo-acoustic instabilities in liquid rocket engines
Characterization and modeling of the flame response to high frequency propellant flow rates oscillations in the framework of thermo-acoustic instabilities in liquid rocket engines Open
International audience
View article: Large eddy simulations and reduced order modeling of a LOx/CH4 multiple injector configuration under acoustic modulation
Large eddy simulations and reduced order modeling of a LOx/CH4 multiple injector configuration under acoustic modulation Open
International audience
View article: Impact of Oxygen Content on Wall-Temperature Phosphor Thermometry for Combustion
Impact of Oxygen Content on Wall-Temperature Phosphor Thermometry for Combustion Open
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View article: Influence of Electrode Position on Plasma-Assisted Combustion in a Model Aeronautical Combustor
Influence of Electrode Position on Plasma-Assisted Combustion in a Model Aeronautical Combustor Open
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View article: Full-spectrum fitting method applied to YAG:Dy : Impact of oxygen content and laser fluence on wall-temperature phosphor thermometry for combustion
Full-spectrum fitting method applied to YAG:Dy : Impact of oxygen content and laser fluence on wall-temperature phosphor thermometry for combustion Open
View article: Numerical Analysis of Flame Shape Impact on the Performance of Fuel Staging in a Lean-Burn Aeronautical Burner
Numerical Analysis of Flame Shape Impact on the Performance of Fuel Staging in a Lean-Burn Aeronautical Burner Open
The BIMER combustor is a lab-scale burner investigating fuel staging techniques as a stabilization strategy for lean premixed prevaporized combustion for aeronautical applications. Two stages compose its injection system: the pilot and the…
View article: Lean Flame Stabilization With Nanosecond Plasma Discharges in a Gas Turbine Model Combustor
Lean Flame Stabilization With Nanosecond Plasma Discharges in a Gas Turbine Model Combustor Open
This paper presents an experimental study of lean flames stabilization with nanosecond repetitively pulsed discharges. The two-stage, swirled-stabilized, multipoint injector BIMER operates at atmospheric pressure with methane-air mixtures …
View article: Numerical Analysis of Flame Shape Impact on the Performance of Fuel Staging in a Lean-Burn Aeronautical Burner
Numerical Analysis of Flame Shape Impact on the Performance of Fuel Staging in a Lean-Burn Aeronautical Burner Open
The BIMER combustor is a lab-scale burner investigating fuel staging techniques as a stabilisation strategy for lean premixed prevaporized combustion for aeronautical applications. Two stages compose its injection system: the pilot and the…
View article: Combustion performance of plasma-stabilized lean flames in a gas turbine model combustor
Combustion performance of plasma-stabilized lean flames in a gas turbine model combustor Open
This work presents an experimental study of the stabilization of lean methane-air flames by nanosecond repetitively pulsed (NRP) discharges. The experimental facility consists of a gas turbine model combustor with a Lean-Premixed-Prevapori…
View article: Stabilization of lean flames with nanosecond discharges in a gas turbine model combustor
Stabilization of lean flames with nanosecond discharges in a gas turbine model combustor Open
International audience
View article: Evaluation of Large-Eddy Simulation Coupled with an Homogeneous Equilibrium Model for the Prediction of Coaxial Cryogenic Flames under Subcritical Conditions
Evaluation of Large-Eddy Simulation Coupled with an Homogeneous Equilibrium Model for the Prediction of Coaxial Cryogenic Flames under Subcritical Conditions Open
Large Eddy Simulations of liquid O2/gaseous H2 coaxial flames at subcritical pressure conditions are reported in this paper. These simulations reproduce the experimental Mascotte cases A1, A10 and A30, operating at 1, 10 and 30 bar, respec…
View article: Reduced Order Modeling for the prediction of combustion instabilities in liquid rocket engines: coaxial injection response and acoustic damping modeling
Reduced Order Modeling for the prediction of combustion instabilities in liquid rocket engines: coaxial injection response and acoustic damping modeling Open
A reduced-order code based on a Garlerkin modal expansion of the pressure oscillations is presented to predict high frequency combustion instabilities in liquid rocket engines. Models to account for acoustic damping are proposed, such as n…
View article: Flashback-induced flame shape transition in a two-stage LPP aeronautical combustor
Flashback-induced flame shape transition in a two-stage LPP aeronautical combustor Open
View article: Dynamic characterization of wall temperature in LOX/CH <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si9.svg"> <mml:msub> <mml:mrow/> <mml:mn>4</mml:mn> </mml:msub> </mml:math> rocket engine operating conditions using phosphor thermometry
Dynamic characterization of wall temperature in LOX/CH rocket engine operating conditions using phosphor thermometry Open
View article: Full spectrum fitting method: a new approach for instantaneous phosphor thermometry in harsh environments
Full spectrum fitting method: a new approach for instantaneous phosphor thermometry in harsh environments Open
View article: REST HF-10 test case: Large-Eddy Simulations using the AVBP solver
REST HF-10 test case: Large-Eddy Simulations using the AVBP solver Open
International audience
View article: REST HF-10 test case: Synthesis of the Contributions for the Simulation of Excited Methane Flames under Real Gas Conditions
REST HF-10 test case: Synthesis of the Contributions for the Simulation of Excited Methane Flames under Real Gas Conditions Open
International audience
View article: INVESTIGATIONS OF LOX/CH4 FLAMES AT VERY LOW MIXTURE RATIO AND HIGH PRESSURE IN ROCKET ENGINE OPERATING CONDITIONS
INVESTIGATIONS OF LOX/CH4 FLAMES AT VERY LOW MIXTURE RATIO AND HIGH PRESSURE IN ROCKET ENGINE OPERATING CONDITIONS Open
View article: ANALYSIS AND LOW ORDER MODELING OF THE ACOUSTIC DAMPING FOR HIGH-FREQUENCY COMBUSTION INSTABILITIES PREDICTION IN LIQUID ROCKET ENGINES
ANALYSIS AND LOW ORDER MODELING OF THE ACOUSTIC DAMPING FOR HIGH-FREQUENCY COMBUSTION INSTABILITIES PREDICTION IN LIQUID ROCKET ENGINES Open
View article: Influence of viscosity on entropy noise generation through a nozzle
Influence of viscosity on entropy noise generation through a nozzle Open
View article: Development of an interface thickening method for the direct numerical simulation of compressible liquid–vapor flows in the framework of the second gradient theory
Development of an interface thickening method for the direct numerical simulation of compressible liquid–vapor flows in the framework of the second gradient theory Open
This study presents a method to perform direct numerical simulation (DNS), in the sense of turbulence, of two-phase flows with interfaces. It is based on the compressible diffuse interface model introduced by the second gradient theory. Th…
View article: Instantaneous surface temperature measurements in combustion by an adapted processing of the Laser Induced Phosphorescence signal
Instantaneous surface temperature measurements in combustion by an adapted processing of the Laser Induced Phosphorescence signal Open
View article: Multi-fluid models for two-phase and transcritical flows Application to rocket engine configurations with the AVBP solver
Multi-fluid models for two-phase and transcritical flows Application to rocket engine configurations with the AVBP solver Open
National audience
View article: Study of the acoustic damping in a nonreactive pressurized chamber combining experiments, simulations and modeling
Study of the acoustic damping in a nonreactive pressurized chamber combining experiments, simulations and modeling Open
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View article: LOW ORDER MODELING OF HIGH FREQUENCY COMBUSTION INSTABILITIES IN LIQUID ROCKET ENGINES
LOW ORDER MODELING OF HIGH FREQUENCY COMBUSTION INSTABILITIES IN LIQUID ROCKET ENGINES Open
International audience
View article: NUMERICAL CHARACTERIZATION OF THE DAMPING IN A COLD-FLOW EXPERIMENT WITH COUPLED CAVITIES
NUMERICAL CHARACTERIZATION OF THE DAMPING IN A COLD-FLOW EXPERIMENT WITH COUPLED CAVITIES Open
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View article: Numerical analysis of flame shape bifurcation in a two-stage swirled liquid burner using Large Eddy Simulation
Numerical analysis of flame shape bifurcation in a two-stage swirled liquid burner using Large Eddy Simulation Open
View article: Phenomenological Reduced-order Modeling of Sub-critical Combustion in Cryogenic Rocket Engines: an Application to the Prediction of High-frequency Combustion Instabilities
Phenomenological Reduced-order Modeling of Sub-critical Combustion in Cryogenic Rocket Engines: an Application to the Prediction of High-frequency Combustion Instabilities Open
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