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 …

Experimental investigation of combustion dynamics and NOx/CO emissions from densely distributed lean-premixed multinozzle CH4/C3H8/H2/air flames

U Jin, KT Kim - Combustion and Flame, 2021 - Elsevier
Lean-premixed fuel-flexible combustion technology capable of operating on a wide range of
fuels, including high or pure hydrogen, is expected to play a crucial role in reducing nitrogen …

Investigation on the coupling mechanism of streamwise and jet vortices of hydrogen micromix combustion

D Mo, Y Lin, Y Liu, X Han - International Journal of Hydrogen Energy, 2024 - Elsevier
Hydrogen is one of the most promising fuels for achieving zero carbon emissions in civil
aviation. However, the rapid flame speed would easily lead to flashback issues, and its ultra …

[HTML][HTML] Experimental investigation of chemiluminescence and NOx emission characteristics in a lean premixed dual-swirl flame

Y Liu, J Tan, Z Gao, T Wang, M Wan - Case Studies in Thermal Engineering, 2021 - Elsevier
Temperature and radical concentration are the two most important factors affecting NOx
emissions in the methane combustion, while chemiluminescence is from the radiative …

Research progress and future prospect of hydrogen micromix combustion technology

MO Da, LIN Yuzhen, HAN Xiao, MA Hongyu… - Acta Aeronautica et …, 2024 - sciopen.com
Hydrogen fuel has significant importance in mitigating global climate change and protecting
the environment by achieving zero carbon emission in aviation engines, aerospace …

Hydrogen enhancement on a mesoscale swirl stabilized burner array

J Choi, R Rajasegar, W Lee, T Lee, J Yoo - International Journal of …, 2021 - Elsevier
This manuscript presents a study of hydrogen-enhanced methane flames in a compact
mesoscale burner array, where even a minute addition of hydrogen can significantly …

Effects of hydrogen enhancement on mesoscale burner array flame stability under acoustic perturbations

J Choi, W Lee, R Rajasegar, T Lee, J Yoo - International Journal of …, 2021 - Elsevier
Partial substitution of hydrocarbon fuel with hydrogen can effectively improve small-scale
combustion system stability and performance, potentially opening the way for novel compact …

[HTML][HTML] Influence of jet angle on diffusion combustion characteristics and NOx emissions in a self-reflux burner

Q Xu, M Shen, K Shi, Z Liu, J Feng, Y Xiong… - Case Studies in Thermal …, 2021 - Elsevier
This study focuses on altering the diffusion combustion characteristics of the self-reflux
burner by optimizing the burner nozzle structure. By adjusting the jet angle of each nozzle …

The effect of toroidal geometrical shape on turbulent oscillations in a bidirectional vortex combustor

OA Evdokimov, AI Guryanov, SA Piralishvili… - Thermal Science and …, 2023 - Elsevier
The paper reports on detailed studies of a bidirectional swirling flow structure in a toroidal
vortex chamber under non-reactive and combustion conditions at the Reynolds numbers …

Exploring the impact of diesel-vegetable oil blends as an alternative fuel in combustion chambers

OO Alabi, FO Ogunwoye, OJ Gbadeyan, AO Fasina… - Biofuels, 2024 - Taylor & Francis
This study investigated using diesel-vegetable oil blends as an alternative fuel in
combustion chambers. Vegetable oils, such as soybean and rapeseed oil, were blended …