Numerical investigation of blended hydrogen/ammonia combustion in a bluff-body and swirl stabilized micro combustor for micropower applications
S Sheykhbaglou, P Dimitriou - International Journal of Hydrogen Energy, 2025 - Elsevier
Micro combustion offers a promising pathway for powering small-scale devices, yet
achieving stable flame propagation at this scale remains challenging. Ammonia, a carbon …
achieving stable flame propagation at this scale remains challenging. Ammonia, a carbon …
[HTML][HTML] Application of a two-progress variable model for carbon monoxide emissions from turbulent premixed and partially premixed enclosed flames
A large eddy simulation study is undertaken with the objective of improving carbon
monoxide (CO) estimations compared to measurements of enclosed turbulent flames in …
monoxide (CO) estimations compared to measurements of enclosed turbulent flames in …
[HTML][HTML] The effect of methane addition on reacting hydrogen jets in crossflow
The combustion characteristics in a jet in crossflow configuration are numerically
investigated using Large Eddy Simulation (LES) with subgrid scale modelling for partially …
investigated using Large Eddy Simulation (LES) with subgrid scale modelling for partially …
Lean flame root dynamics in a gas turbine model combustor
ABSTRACT A swirl-stabilised flame close to blow-off conditions in a gas turbine model
combustor is investigated using large eddy simulation. The sub-grid combustion is modelled …
combustor is investigated using large eddy simulation. The sub-grid combustion is modelled …
Experimental investigation of unconfined turbulent premixed bluff-body stabilized flames operated with vapourised liquid fuels
The structure of turbulent unconfined bluff-body flames of vapourised liquid fuels was
investigated at conditions far from and close to blow-off with high-speed (5 kHz) OH-PLIF …
investigated at conditions far from and close to blow-off with high-speed (5 kHz) OH-PLIF …
Lean blowout detection for bluff-body stabilized flame
The present work proposed an index to extend the previous lean blowout detection method
to bluff-body stabilized flame at the condition of low Reynolds number. Dynamic …
to bluff-body stabilized flame at the condition of low Reynolds number. Dynamic …
[HTML][HTML] Dynamic modelling of subgrid scalar dissipation rate in premixed and partially premixed flames with differential filter
Large eddy simulation (LES) paradigms are used in the present work to predict premixed
and partially premixed turbulent flames with flamelets based thermochemistry and presumed …
and partially premixed turbulent flames with flamelets based thermochemistry and presumed …
[HTML][HTML] Effect of swirl on premixed flame response at high forcing amplitudes
The response of a lean premixed flame subjected to acoustic perturbations is a complex
phenomenon that depends highly on the type of flame and the operating conditions. Swirl …
phenomenon that depends highly on the type of flame and the operating conditions. Swirl …
[HTML][HTML] Large eddy simulations of turbulent premixed bluff body flames operated with ethanol, n-heptane, and jet fuels
A Åkerblom, C Fureby - Combustion and Flame, 2025 - Elsevier
Abstract Large Eddy Simulations (LES) are carried out targeting an unconfined premixed
bluff body burner operated with ethanol, n-heptane, Jet A, and a Sustainable Aviation Fuel …
bluff body burner operated with ethanol, n-heptane, Jet A, and a Sustainable Aviation Fuel …
Scaling of Flame Describing Functions in Premixed Swirling Flames
Predicting the response of swirling flames subjected to acoustic perturbations poses
significant challenges due to the complex nature of the flow. In this work, the effect of swirl …
significant challenges due to the complex nature of the flow. In this work, the effect of swirl …