Hydrogen combustion in micromix burners: Present stages, opportunities, and challenges

L Beltrán, J Sandoval, J Llain, M Carmona… - International Journal of …, 2024 - Elsevier
Due to its low NO x emission index, the micromix burner technology is a promising
alternative for using hydrogen in combustion. Various universities and research centers in …

Influence of H2 blending on NOx production in natural gas combustion: Mechanism comparison and reaction routes

H Pan, S Geng, H Yang, G Zhang, H Bian… - International Journal of …, 2023 - Elsevier
Hydrogen blending in natural gas is an effective way of carbon reduction. The effect of
hydrogen blending on the reaction pathway of NO x emission from natural gas combustion …

Effects of flow rate and equivalence ratio on syngas flames in a multi-nozzle micromix model combustor

M Chen, Y Zhao, L Zhang, C Xing, L Liu, P Qiu… - International Journal of …, 2024 - Elsevier
In this paper, the flame structural parameters, OH* distribution characteristics, and dynamic
behavior of the global heat release rate of a novel multi-nozzle micromix model combustor …

[HTML][HTML] The effect of hydrogen enrichment, flame-flame interaction, confinement, and asymmetry on the acoustic response of a model can combustor

E Æsøy, T Indlekofer, F Gant, A Cuquel… - Combustion and …, 2022 - Elsevier
To maximise power density practical gas turbine combustion systems have several injectors
which can lead to complex interactions between flames. However, our knowledge about the …

Combustion dynamics of multi-element lean-premixed hydrogen-air flame ensemble

H Kang, KT Kim - Combustion and Flame, 2021 - Elsevier
The crux of the technical issues facing the development of hydrogen gas turbine engines is
the problem of how to enable low NOx, low dynamics combustor operations without …

High-frequency transverse combustion instabilities of lean-premixed multislit hydrogen-air flames

T Lee, KT Kim - Combustion and flame, 2022 - Elsevier
The present experimental investigation is concerned with combustion dynamics of lean-
premixed multislit hydrogen-air flames, with the aim of addressing some of the central …

A mixing enhancement mechanism for a hydrogen transverse jet coupled with a shear layer for gas turbine combustion

N Bai, W Fan, R Zhang - Physics of Fluids, 2023 - pubs.aip.org
The mixing characteristics of hydrogen and air are vital to combustion performance.
Excellent hydrogeni–air mixing is required to avoid hot spots in the reactivity of hydrogen in …

Influence of radial fuel staging on combustion instabilities and exhaust emissions from lean-premixed multi-element hydrogen/methane/air flames

U Jin, KT Kim - Combustion and Flame, 2022 - Elsevier
The utilization of hydrogen-blended hydrocarbon fuels, or even completely carbon-free fuels
like pure hydrogen and ammonia, will be indispensable in the effort to reduce anthropogenic …

The effects of steam dilution on flame structure and stability for a H2/air micromix burner

C Lu, L Zhang, X Chen, C Xing, L Liu, H Shi… - Journal of the Energy …, 2023 - Elsevier
The present work is dedicated to understand the effects of steam dilution on the structure
and stability of a micromix H 2/air swirl flame. The flame structure and stability were obtained …

Comparison of combustion characteristics of MILD model combustor and multi-nozzle array model combustor fueled hydrogen-methane mixtures

Z Liu, Y Xiong, N Yang, L Ren, Y Liu, S Zhang… - International Journal of …, 2023 - Elsevier
Key issues facing the development of hydrogen gas turbines include achieving low NOx
emissions on hydrogen-enriched fuels, prevention of flashback and thermoacoustic …