Flame stabilization and emission characteristics of ammonia combustion in lab-scale gas turbine combustors: Recent progress and prospects

M Zhang, X Wei, Z An, EC Okafor, TF Guiberti… - Progress in Energy and …, 2025 - Elsevier
Global climate change forces all countries to push the process of de-carbonization.
Ammonia, which is carbon free and a potential hydrogen carrier, is proposed as a …

A comprehensive review of chemical reaction mechanisms and soot generation mechanisms for hydrogen and diesel additions to ammonia fuel and their emission …

S Cui, X Zhou, Z Zhang, F Liu, C Kou - Process Safety and Environmental …, 2024 - Elsevier
The world has advocated green production, using renewable energy sources and reducing
the emission of pollutants. Ammonia is being utilized more and more as a renewable energy …

High-frequency hydrogen combustion dynamics driven by local flame displacement and multidimensional thermoacoustic interactions

D Park, J Park, KT Kim - Combustion and Flame, 2024 - Elsevier
Abstract Knowledge of the underlying physical mechanisms responsible for the triggering of
high-frequency transverse combustion dynamics is of fundamental importance in the …

Experimental study on thermoacoustic instability of partially premixed CH4/NH3 flame

D Wei, H Li, H Zhou - International Journal of Hydrogen Energy, 2024 - Elsevier
Carbon-free ammonia is a promising hydrogen energy carrier. Using ammonia as gas
turbine fuel can effectively reduce carbon emissions. This study examines thermoacoustic …

[HTML][HTML] The mechanism of propagation of NH3/air and NH3/H2/air laminar premixed flame fronts

EA Tingas, S Gkantonas, E Mastorakos… - International Journal of …, 2024 - Elsevier
The mechanism of flame front propagation in NH 3/air and NH 3/H 2/air steady, laminar
premixed flames is examined. Since the process is characterised by a state of chemical non …

Thermoacoustic parametric instability of premixed ammonia flames propagating downwards in an open-closed tube

JR Delfin, F Guo, N Hashimoto, O Fujita - Fuel, 2024 - Elsevier
This work investigates the self-excited thermoacoustic parametric instability of downward
propagating laminar premixed ammonia flames in an open-closed combustion tube. NH 3/O …

Effects of ammonia addition on self-excited Helmholtz and azimuthal thermoacoustic instability modes in a variable-length swirl-stabilized annular combustor

C Liu, X Li, L Yu, X Lu - Aerospace Science and Technology, 2025 - Elsevier
The thermoacoustic instability characteristics in a variable-length annular combustor fueled
by ammonia-methane were investigated in the present work, focusing on the effects of …

High-frequency transverse acoustic interactions between two lean-premixed hydrogen combustors connected with cross-fire and cross-talk sections

J Kim, KT Kim - International Journal of Hydrogen Energy, 2024 - Elsevier
Large-scale inter-combustor thermoacoustic interactions occur frequently in modern can-
annular gas turbine combustion systems due to the presence of an annular cross-talk …

Effect of flue gas recirculation on combustion instability and emission characteristics of premixed CH4/NH3/air flame

D Wei, H Fang, H Tang, Y Wang, G Wei… - International Journal of …, 2024 - Elsevier
The hydrogen carrier ammonia is considered a prominent carbon-free alternative fuel. This
paper examines the impact of flue gas recirculation (FR) on combustion instability and …

Dynamics of hydrogen–ammonia–natural gas lean-premixed high-pressure flames

TT Shahin, AJ Hodge, BK Murdock, TN McLean… - Fuel, 2025 - Elsevier
The influence of fuel composition on self-excited combustion instabilities in a high-pressure
combustor operated with ammonia, hydrogen, and natural gas fuels is characterized with …