Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector
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 …
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …
Stabilization regimes and pollutant emissions from a dual fuel CH4/H2 and dual swirl low NOx burner
Burning hydrogen in gas turbines is a relevant technological solution to decarbonize power
production and propulsion systems. However, ensuring low NOx emission and preventing …
production and propulsion systems. However, ensuring low NOx emission and preventing …
Experimental analysis and theoretical lift-off criterion for H2/air flames stabilized on a dual swirl injector
Stabilization mechanisms of partially premixed H 2/air flames on a coaxial dual swirl injector
are investigated at atmospheric conditions. Hydrogen is injected through a central duct, and …
are investigated at atmospheric conditions. Hydrogen is injected through a central duct, and …
Flame stabilization and pollutant emissions from a H2/air dual swirl coaxial injector at elevated pressure
Understanding mechanisms controlling flame stabilization and pollutant emissions in
swirled hydrogen flames at elevated pressures is crucial for advancing hydrogen-powered …
swirled hydrogen flames at elevated pressures is crucial for advancing hydrogen-powered …
Interplay between unburned emissions and NOx emissions from a dual swirl hydrogen air injector
OH planar laser induced fluorescence and particle image velocimetry are employed to
analyze the structure of hydrogen/air flames stabilized by a dual swirl injection system under …
analyze the structure of hydrogen/air flames stabilized by a dual swirl injection system under …
Near-Field Mixing in a Coaxial Dual Swirled Injector
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 …
development of next generations of fuel injectors. This is particularly crucial for hydrogen …
Impact of Preheating on Flame Stabilization and NOx Emissions From a Dual Swirl Hydrogen Injector
Flame stabilization, flame structure, and pollutant emissions are investigated experimentally
on a swirled injection system operating with globally lean air/hydrogen mixtures at …
on a swirled injection system operating with globally lean air/hydrogen mixtures at …
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 …
have been conducted in this work. The simulations are based on a laboratory-scale coaxial …
Flow structure, mixing, flame stabilization and pollutant emissions from a coaxial dual swirl CH4/H2/air injector
S Marragou - 2023 - theses.hal.science
Developing hydrogen fueled burners that meet stringent conditions of aeroejet engine gas
turbines is challenging. In this work, a dual swirl coaxial injector concept is investigated at …
turbines is challenging. In this work, a dual swirl coaxial injector concept is investigated at …
Experimental and numerical assessment of H2 combustion potential: extreme events in laminar premixed burners and flame stability in non-premixed swirled injectors
A Aniello - 2023 - theses.hal.science
Recent years have witnessed a raising alarm for climate change and predicted a potential
lack of energy supply for the next future. In this respect, the combustion community is looking …
lack of energy supply for the next future. In this respect, the combustion community is looking …