[HTML][HTML] Impact of H2-enrichment on the response of a partially premixed CH4–air flame to velocity and equivalence ratio fluctuations

AM Garcia, S Le Bras, J Prager, I Boxx, W Polifke - Combustion and Flame, 2024 - Elsevier
The dynamics of hydrogen-enriched partially premixed methane–air flames are investigated,
focusing on the frequency response to velocity and equivalence ratio fluctuations. Large …

Attenuation of combustion instability in a fuel-staged dual-nozzle gas turbine combustor with asymmetric hydrogen composition

S Kwak, J Choi, MC Lee, Y Yoon - Proceedings of the Combustion Institute, 2023 - Elsevier
The instability attenuation mechanism of fuel staging was investigated in a CH 4/H 2 fueled
dual-nozzle gas turbine combustor. Fuel staging was implemented using an asymmetry in …

On the spatial characteristics of the flame transfer function for a GCH4-GO2 swirl coaxial flame

H Jo, DH Kim, J Bae, Y Yoon - Acta Astronautica, 2024 - Elsevier
In this study, the combustion instability characteristics of gaseous methane–gaseous oxygen
atmospheric flame were investigated. A swirl coaxial injector was used under external …

Pollution formation and the response of premixed hydrogen blending flame to the external excitation using large eddy simulation: The application of an artificial neural …

N Hajialigol, FA Boyaghchi - Journal of the Taiwan Institute of Chemical …, 2023 - Elsevier
Background The regulations for combustion pollution are getting more stringent every day.
To decrease the level of pollution, serious attention to the unstable operating conditions of …

Analysis of Thermo-Acoustic Instabilities Induced by Hydrogen Swirling Flames

N Vaysse, D Durox, R Vicquelin… - … for Gas Turbines …, 2025 - asmedigitalcollection.asme.org
A considerable research effort has been concerned combustion dynamics of systems fed
with hydrocarbon fuels. The case of pure hydrogen/air flames deserves to be specifically …

[HTML][HTML] Analysis of a Newly Developed Afterburner System Employing Hydrogen–Methane Blends

FG Florean, A Mangra, M Enache, R Carlanescu… - Inventions, 2024 - mdpi.com
A considerable number of Combined Heat and Power (CHP) systems continue to depend on
fossil fuels like oil and natural gas, contributing to significant environmental pollution and the …

Experimental Research on an Afterburner System Fueled with Hydrogen–Methane Mixtures

FG Florean, A Mangra, M Enache, M Deaconu… - Inventions, 2024 - mdpi.com
A new afterburner installation is proposed, fueled with pure hydrogen (100% H2) or
hydrogen–methane mixtures (60% H2+ 40% CH4, 80% H2+ 20% CH4) for use in …

Influence of pilot H2 injection on methane-air swirled flame stabilization and acoustic response

A Aniello, D Laera, S Marragou, T Poinsot… - Combustion and …, 2023 - Elsevier
Abstract Large Eddy Simulation is used to investigate the effect of localized pilot H 2
injection on the Flame Transfer Function (FTF) of a premixed CH 4-air swirled flame. The …

Analysis of Thermo-Acoustic Instabilities Induced by Hydrogen Swirling Flames

N Vaysse, D Durox, R Vicquelin… - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
A considerable research effort has concerned combustion dynamics of systems fed with
hydrocarbon fuels. The case of pure hydrogen/air flames deserves to be specifically …

Experimental investigation of self-sustained thermoacoustic instabilities in pure hydrogen swirling flames

N Vaysse, D Durox, R Vicquelin, S Candel… - … on Thermoacoustics in …, 2023 - hal.science
The replacement of hydrocarbon fuels in energy production and aeronautical applications
by hydrogen raises issues linked to its enhanced reactivity, broad flammability limits and …