Jacques Borée
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View article: On the influence of the H2 flame thermo-diffusive instability at engine-like conditions: A CFD-driven study
On the influence of the H2 flame thermo-diffusive instability at engine-like conditions: A CFD-driven study Open
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View article: Enhancement of Large Eddy Simulation for the prediction of an intake flow rig using sequential Data Assimilation
Enhancement of Large Eddy Simulation for the prediction of an intake flow rig using sequential Data Assimilation Open
A Data Assimilation (DA) strategy based on an ensemble Kalman filter (EnKF) is used to enhance the predictive capabilities of scale resolving numerical tools for the analysis of flows exhibiting cyclic behaviour. More precisely, an ensembl…
View article: Comparative Analysis Of Cycle-To-Cycle Variabilities And Combustion Development In An Optical Spark-Ignition Engine Fueled By Pure Hydrogen And Propane: Insights From Chemiluminescence and PI
Comparative Analysis Of Cycle-To-Cycle Variabilities And Combustion Development In An Optical Spark-Ignition Engine Fueled By Pure Hydrogen And Propane: Insights From Chemiluminescence and PI Open
Hydrogen, derived from renewable sources and devoid of carbon emissions, is a pivotal energy carrier for the future. Representing a viable substitute for fossil fuels in internal combustion engines (ICEs), contemporary studies advocate usi…
View article: 2DoF galloping of a 3D bluff body pendulum
2DoF galloping of a 3D bluff body pendulum Open
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View article: Fluid-structure interactions on a 3D bluff body pendulum at high Reynolds number
Fluid-structure interactions on a 3D bluff body pendulum at high Reynolds number Open
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View article: Active control of road vehicle's drag for varying upstream flow conditions using a Recursive Subspace based Predictive Control methodology
Active control of road vehicle's drag for varying upstream flow conditions using a Recursive Subspace based Predictive Control methodology Open
The growing focus on reducing energy consumption, particularly in electric vehicles with limited autonomy, has prompted innovative solutions. In this context, we propose a real-time flap-based control system aimed at improving aerodynamic …
View article: Early flame development characterization of ultra-lean hydrogen–air flames in an optical spark-ignition engine
Early flame development characterization of ultra-lean hydrogen–air flames in an optical spark-ignition engine Open
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View article: Experimental Combustion Analysis in a Gasoline Baseline Hydrogen-Fueled Internal Combustion Engine at Ultra-Lean Conditions
Experimental Combustion Analysis in a Gasoline Baseline Hydrogen-Fueled Internal Combustion Engine at Ultra-Lean Conditions Open
Hydrogen-fueled internal combustion engines (H2ICEs) have emerged as a promising technology for reducing greenhouse gas emissions in the transportation sector. However, due to the unique properties of hydrogen, especially under ultra-lean …
View article: Fluid-structure interactions on a pendular 3D bluff body
Fluid-structure interactions on a pendular 3D bluff body Open
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View article: Combustion Cycle-To-Cycle Variation Analysis in Diesel Baseline Hydrogen-Fueled Spark-Ignition Engines
Combustion Cycle-To-Cycle Variation Analysis in Diesel Baseline Hydrogen-Fueled Spark-Ignition Engines Open
In the search for zero-carbon emissions and energy supply security, hydrogen is one of the fuels considered for internal combustion engines. The state-of-the-art studies show that a good strategy to mitigate NOx emissions in hydrogen-fuele…
View article: Drag reduction using longitudinal vortices on a flat-back Ahmed body
Drag reduction using longitudinal vortices on a flat-back Ahmed body Open
The paper presents different cavity wall designs at the rear of a flat-back Ahmed body to achieve drag reduction. The wake balance is assessed using the variance of the base pressure gradient and correlated to the obtained drag reduction. …
View article: Near wake interactions and drag increase regimes for a square-back bluff body
Near wake interactions and drag increase regimes for a square-back bluff body Open
The three-dimensional near wake of a square-back bluff body in ground proximity is experimentally perturbed by placing a pair of D-shaped obstacles under the body. Five obstacle widths $d$ , from 12 % to 26 % of the height of the body, are…
View article: Wake symmetrization of a bluff Ahmed body based on sliding mode control
Wake symmetrization of a bluff Ahmed body based on sliding mode control Open
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View article: Étude expérimentale des interactions aérodynamiques pneu/véhicule
Étude expérimentale des interactions aérodynamiques pneu/véhicule Open
The thesis aims to provide a better understanding of the wheel-vehicle interaction, via experimental investigations on a 2/5-th scale vehicle with an underbody diffuser and 2/5-th scale wheels equipped with Michelin tires. The vehicle geom…
View article: Drag reduction mechanisms of a car model at moderate yaw by bi-frequency forcing
Drag reduction mechanisms of a car model at moderate yaw by bi-frequency forcing Open
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View article: Forcing three-dimensional large-scale flow asymmetries in the wake of blunt body : wake equilibrium and drag reduction
Forcing three-dimensional large-scale flow asymmetries in the wake of blunt body : wake equilibrium and drag reduction Open
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View article: Linear genetic programming control for strongly nonlinear dynamics with frequency crosstalk
Linear genetic programming control for strongly nonlinear dynamics with frequency crosstalk Open
We advance Machine Learning Control (MLC), a recently proposed model-free control framework which explores and exploits strongly nonlinear dynamics in an unsupervised manner. The assumed plant has multiple actuators and sensors and its per…
View article: Linear genetic programming control for strongly nonlinear dynamics with\n frequency crosstalk
Linear genetic programming control for strongly nonlinear dynamics with\n frequency crosstalk Open
We advance Machine Learning Control (MLC), a recently proposed model-free\ncontrol framework which explores and exploits strongly nonlinear dynamics in an\nunsupervised manner. The assumed plant has multiple actuators and sensors and\nits …
View article: Aerodynamic performances of rounded fastback vehicle
Aerodynamic performances of rounded fastback vehicle Open
Experimental and numerical analyzes were performed to investigate the aerodynamic performances of a realistic vehicle with a different afterbody rounding. This afterbody rounding resulted in a reduction to drag and lift at a yaw angle of z…
View article: Bluff body drag manipulation using pulsed jets and Coanda effect
Bluff body drag manipulation using pulsed jets and Coanda effect Open
The impact of fluidic actuation on the wake and drag of a three-dimensional blunt body is investigated experimentally. Jets blowing tangentially to the main flow force the wake with variable frequency and amplitude. Depending on the forcin…
View article: Influence of afterbody rounding on the near wake of fastback vehicle
Influence of afterbody rounding on the near wake of fastback vehicle Open
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