Applications of PLIF in fundamental research on turbulent combustion of hydrogen and hydrogen hybrid fuels: A brief review

W Gu, X Liu, Z Wang, H Zheng - International Journal of Hydrogen Energy, 2024 - Elsevier
One of the important choices for achieving decarbonization goals on a large scale is the
extensive use of H 2. However, the highly reactive nature of H 2 often leads to challenges …

[HTML][HTML] Intrinsic instabilities of hydrogen and hydrogen/ammonia premixed flames: Influence of equivalence ratio, fuel composition and pressure

J Gaucherand, D Laera, C Schulze-Netzer… - Combustion and …, 2023 - Elsevier
Premixed lean hydrogen-air flames exhibit instabilities due to hydrodynamic instabilities but
also thermo-diffusive instabilities. However, in the case of ammonia/hydrogen blends, the …

Flame evolution and pressure dynamics of premixed stoichiometric ammonia/hydrogen/air in a closed duct

H Liang, X Yan, E Shi, X Wang, C Qi, J Ding, L Zhang… - Fuel, 2024 - Elsevier
Ammonia is regarded as a promising energy carrier due to its zero-carbon emissions and its
suitability for long-distance, large-scale storage, and transportation. Ammonia/hydrogen …

The combustion chemistry of ammonia and ammonia/hydrogen mixtures: A comprehensive chemical kinetic modeling study

Y Zhu, HJ Curran, S Girhe, Y Murakami, H Pitsch… - Combustion and …, 2024 - Elsevier
Ammonia (NH 3) is relatively less reactive compared to hydrocarbon fuels. Therefore,
ammonia mixtures blended with hydrogen (H 2) have been shown to be a promising fuel for …

Study on premixed hydrogen-ammonia-air flame evolution in a horizontal rectangular duct

B Liang, M Yang, W Gao, Y Jiang, Y Li - Fuel, 2023 - Elsevier
The hydrogen-ammonia mixture exhibits significant potential as a carbon-free fuel for
internal combustion engines. To gain a deeper understanding of the combustion …

High-temperature laminar flame speed measurements of ammonia/methane blends behind reflected shock waves

M Figueroa-Labastida, L Zheng, JW Streicher… - Combustion and …, 2024 - Elsevier
Laminar flame speeds of ammonia and methane blends diluted in airgon (79% Ar/21% O 2)
were measured for the first time at temperatures above 500 K. Experimental temperatures …

Measurements and simulations on effects of elevated pressure and strain rate on NOx emissions in laminar premixed NH3/CH4/air and NH3/H2/air flames

S Wang, Z Wang, WL Roberts - Fuel, 2024 - Elsevier
Efforts to reduce NO x emissions by utilizing ammonia-fired combustors are made through
various methods; this work investigates the possibility of combining the effects of pressure …

Numerical investigation on the flame propagation process of ammonia/hydrogen blends under engine-related conditions

Z Wu, G Zhang, C Wang, S Jin, M Ji, C Hu… - International Journal of …, 2024 - Elsevier
Fundamental experiments under high-temperature and high-pressure conditions are
challenging, leading to a gap in research on the flame propagation process of …

Turbulent burning velocity of NH3/H2/air mixtures spherical flames: Effects of differential diffusion and turbulent stretch

JB Cao, NN Zhao, GX Li, HM Li, GP Zhang… - International Journal of …, 2024 - Elsevier
The combustion characteristics of ammonia/hydrogen/air mixtures flame under different
equivalent ratios (0.6–1.0), and hydrogen ratio (0.3–0.5) in a wide range of turbulence …

Effect of hydrogen blending on ammonia/air explosion characteristics under wide equivalence ratio

H Liang, X Yan, E Shi, X Wang, C Qi, J Ding, L Zhang… - Energy, 2024 - Elsevier
In order to evaluate the effect of mixing hydrogen on the explosive characteristics of
ammonia, this work explored the evolution of explosion overpressure and flame propagation …