Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector

A Aniello, D Laera, S Marragou, H Magnes, L Selle… - Combustion and …, 2023 - Elsevier
This study investigates H 2-air flames obtained with a laboratory scale coaxial dual-swirl
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …

Hydrogen combustion in gas turbines

S Gkantonas, M Talibi, R Balachandran… - Hydrogen for Future …, 2023 - Springer
The development of gas turbines using 100% hydrogen as fuel is an important step towards
the development of new energy and propulsion technologies using zero carbon fuels. This …

[HTML][HTML] Analysis of the origin of NOx emissions in non premixed dual swirl hydrogen flames

M Vilespy, A Aniello, D Laera, T Poinsot, T Schuller… - Combustion and …, 2025 - Elsevier
The mechanisms of NO x formation in swirled hydrogen-air flames are investigated with
Large Eddy Simulations (LES). Two operating conditions, A (3 kW) and L (9 kW), are …

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 …

Extraction of turbulent flame structures and dynamic modes with corrected OH-PLIF images for a hydrogen micromix burner

P Qiu, C Lu, L Zhang, C Xing, Z Cao, L Liu… - Sustainable Energy & …, 2024 - pubs.rsc.org
The combination of micromix and diluted combustion technologies is an effective way to
realize stable H2 flames with low NOx emission, and the dynamic modes and turbulent …

The turbulent flame structure in a steam diluted H2/Air micromix flame

C Lu, X Jiang, L Zhang, C Xing, L Liu, P Qiu - International Journal of …, 2023 - Elsevier
In order to safely organize hydrogen flame with low NO x emission in traditional gas turbines
and industrial burners, an attractive combustion technology is the steam diluted micromix …

Modeling of H2/air flame stabilization regime above coaxial dual swirl injectors

S Marragou, H Magnes, A Aniello, TF Guiberti… - Combustion and …, 2023 - Elsevier
The prediction of the stabilization regime of partially premixed H 2/air flames above an
injector is a main subject of interest for the development of gas turbines powered by …

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 …

LES of the combustion efficiency of wake stabilized methane jet flames in crossflow

L Gaipl, T Jaravel, Q Douasbin, T Poinsot - Combustion and Flame, 2025 - Elsevier
Three-dimensional simulations are performed for the experiment of Johnson and Kostiuk
(2002) to study the methane leakage characteristics leading to inefficient combustion. Large …