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 …

A Review on Flame Stabilization Technologies for UAV Engine Micro-Meso Scale Combustors: Progress and Challenges

G Velidi, CS Yoo - Energies, 2023 - mdpi.com
Unmanned aerial vehicles (UAV) s have unique requirements that demand engines with
high power-to-weight ratios, fuel efficiency, and reliability. As such, combustion engines …

Flame stability and combustion characteristics of liquid fuel in a meso-scale burner with porous media

X Chen, J Li, M Feng, D Zhao, B Shi, N Wang - Fuel, 2019 - Elsevier
To overcome difficulties of complete evaporation and mixing of liquid fuel in limited resident
time and space, a self-evaporation meso-scale burner is proposed. Combustion …

Combustion dynamics of lean fully-premixed hydrogen-air flames in a mesoscale multinozzle array

T Lee, KT Kim - Combustion and Flame, 2020 - Elsevier
In the near future, lean-premixed hydrogen combustion technology for low-emission gas
turbine engines is expected to be crucial in the effort to mitigate greenhouse gas emissions …

Strong flame interaction-induced collective dynamics of multi-element lean-premixed hydrogen flames

Y Choi, KT Kim - International Journal of Hydrogen Energy, 2023 - Elsevier
Multi-element injector configurations, typically comprising numerous small-scale jet nozzles,
will be required to enable reliable lean-premixed gas turbine combustion operating with …

OH-PLIF study on the mechanism regulating flame-wall interaction with catalytically active CeO2-ZrO2 coatings

F Li, H Yang, R Deng, L Guo, Y Ye, Y Wu, K Xu… - Combustion and …, 2023 - Elsevier
Technically, using catalytically active coatings regulate flame-wall interactions to enhance
flame stability in small-scale burners, such as the common ZrO 2-based ceramics with …

Experimental investigation of combustion instabilities of a mesoscale multinozzle array in a lean-premixed combustor

H Kang, T Lee, U Jin, KT Kim - Proceedings of the Combustion Institute, 2021 - Elsevier
Self-excited combustion instabilities in a mesoscale multinozzle array, also referred to as a
micromixer-type injector, have been experimentally investigated in a lean-premixed tunable …

Experimental study of flame evolution, frequency and oscillation characteristics of steam diluted micro-mixing hydrogen flame

Z Cao, Y Lyu, J Peng, P Qiu, L Liu, C Yang, Y Yu… - Fuel, 2021 - Elsevier
Abstract Effects of steam dilution on flame evolution, frequency and oscillation
characteristics were investigated using an optically accessible micro-mixing combustor …

OH-PLIF investigation of Y2O3-ZrO2 coating improving flame stability in a narrow channel

F Li, H Yang, J Zhang, C Gu, J Huo, L Jiang… - Chemical Engineering …, 2021 - Elsevier
The chemical catalytic performance of functional ceramics materials of rare earth is of great
technological and scientific significance to actively regulate the flame-wall interaction in high …