Interplay Between Unburned Emissions and NOx Emissions From a Dual Swirl Hydrogen Air Injector

H Magnes, M Vilespy, L Selle… - … of Engineering for …, 2025 - asmedigitalcollection.asme.org
OH planar laser induced fluorescence (OH-PLIF) and particle image velocimetry (PIV) are
employed to analyze the structure of hydrogen/air flames stabilized by a dual swirl injection …

Near-field mixing in a coaxial dual swirled injector

S Marragou, TF Guiberti, T Poinsot… - Flow, Turbulence and …, 2024 - Springer
Improving mixing between two coaxial swirled jets is a subject of interest for the
development of next generations of fuel injectors. This is particularly crucial for hydrogen …

Flame stabilization and pollutant emissions from a H2/air dual swirl coaxial injector at elevated pressure

S Marragou, D Mengu, ET Es-Sebbar, H Magnes… - International Journal of …, 2025 - Elsevier
Understanding mechanisms controlling flame stabilization and pollutant emissions in
swirled hydrogen flames at elevated pressures is crucial for advancing hydrogen-powered …

[HTML][HTML] Stabilization regimes and flame structure at the flame base of a swirled lean premixed hydrogen–air injector with a pure hydrogen pilot injection

J Bertsch, T Poinsot, N Bertier, JL Ruan - Proceedings of the Combustion …, 2024 - Elsevier
Hydrogen (H 2) has become a key in the decarbonation process of the aeronautical field
and new gaseous injection systems must be designed to suit hydrogen's specific properties …

Optimization of a Hydrogen-Fueled Parametric Strut Injector Using an Automated Workflow Computational Fluid Dynamics Method

NCW Treleaven, GJJ Fournier… - … for Gas Turbines …, 2025 - asmedigitalcollection.asme.org
A strut injector for burning hydrogen has been optimized using an automated workflow
system. In order to choose the optimal set of injectors to cover the design space, an …

A Dynamic Thickening Strategy for High-Fidelity Computational Fluid Dynamics Analyses of Multi-Regime Combustion

A Ballotti, S Castellani… - … of Engineering for …, 2024 - asmedigitalcollection.asme.org
In this study, a dynamic thickening strategy for dynamic thickened flame model for large
eddy simulations (DTFLES) application to multi-regime combustion is proposed. The main …

Optimisation of a Hydrogen-Fuelled Parametric Strut Injector Using an Automated Workflow CFD Method

NCW Treleaven, GJJ Fournier… - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
A strut injector for burning hydrogen has been optimised using an automated workflow
system. The design process began with a parametric CAD model that allowed for various …

Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations

I Verma, R Yadav, S Orsino… - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
High-fidelity large-eddy simulations (LES) of turbulent combustion in a typical H2-air flame
have been conducted in this work. The simulations are based on a laboratory-scale coaxial …

Experimental Investigation of Low-NOx H2 Combustion Using Simultaneous Raman and LIF Spectroscopy

Z Al Hadi, S Basnet, S Marragou, TF Guiberti… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
The global push toward decarbonization has positioned hydrogen as a key contender for
clean energy applications. This study explores low-NOx hydrogen/air combustion in a lifted …

Large-eddy simulation and experimental study of a partially premixed hydrogen/air swirled burner: impact of the injection system

K Truffin, PG Luca, TND Ho, J Bertsch… - INFUB-14, European …, 2024 - ifp.hal.science
Hydrogen-powered combustion devices (boilers, burners) and associated equipment
(ignition and flame detection devices, gaskets, etc.) will have to comply with the same safety …