[HTML][HTML] Flame stabilization and pollutant emissions of turbulent ammonia and blended ammonia flames: A review of the recent experimental and numerical advances

MMA Ahmed, L Xu, XS Bai, ZO Hassan, M Abdullah… - Fuel …, 2024 - Elsevier
Compared to traditional hydrocarbon fuels, ammonia presents significant challenges as a
fuel, including high ignition energy, low reactivity, slow flame propagation, and high NO x …

[HTML][HTML] Numerical study on the use of ammonia/hydrogen fuel blends for automotive spark-ignition engines

R Novella, J Pastor, J Gomez-Soriano… - Fuel, 2023 - Elsevier
The importance of new alternative fuels has assumed great relevance in the last decades to
face the issues of global warming and pollutant emissions from energy production. The …

On the application of principal component transport for compression ignition of lean fuel/air mixtures under engine relevant conditions

KS Jung, A Kumar, T Echekki, JH Chen - Combustion and Flame, 2024 - Elsevier
Principal component transport-based data-driven reduced-order models (PC-transport
ROM) are being increasingly adopted as a combustion model of turbulent reactive flows to …

A co-kurtosis PCA based dimensionality reduction with nonlinear reconstruction using neural networks

D Nayak, A Jonnalagadda, U Balakrishnan… - Combustion and …, 2024 - Elsevier
For turbulent reacting flow systems, identification of low-dimensional representations of the
thermo-chemical state space is vitally important, primarily to significantly reduce the …

Stochastic Modeling of Partially Stirred Reactor (PaSR) for the Investigation of the Turbulence-Chemistry Interaction for the Ammonia-Air Combustion

C Yu, L Cai, JY Chen - Flow, Turbulence and Combustion, 2024 - Springer
Abstract The Partially Stirred Reactor (PaSR) model is carried out for the ammonia-air
combustion system by means of stochastic modeling, namely by solving the transport …

[HTML][HTML] The Effects of Cracking Ratio on Ammonia/Air Non-Premixed Flames under High-Pressure Conditions Using Large Eddy Simulations

C Wang, H Wang, K Luo, J Fan - Energies, 2023 - mdpi.com
Ammonia is a promising carbon-free fuel. However, one of the main challenges for ammonia
combustion is the high level of NO emissions. In this study, simulations were conducted for …

Large eddy simulation of bluff-body turbulent hydrogen/nitrogen flames using principal component transport models with differential diffusion effects

S Abdelwahid, MR Malik, H Tang, A Alfazazi… - International Journal of …, 2024 - Elsevier
This study investigates the combustion characteristics of nonpremixed bluff-body stabilized
H 2/N 2-air flames, with a specific focus on a fully cracked ammonia case. The motivation …

Characterizing turbulent non-premixed flame structure and pollutant formation of cracked ammonia jet flames using simultaneous NH and NO PLIF

G Wang, WL Roberts, TF Guiberti - Fuel, 2024 - Elsevier
The combustion of cracked ammonia is crucial for enhancing flame stability and reducing
pollutant emissions in ammonia-based combustion systems. This study investigated the …

LES of non-premixed NH3/H2/N2-air jet flames at elevated pressure with differential diffusion

J Guo, G Wang, H Tang, X Jiang, S Abdelwahid… - Combustion and …, 2024 - Elsevier
Cracking NH 3 into a mixture of NH 3/H 2/N 2 effectively addresses its low reactivity when
used as a fuel. In this study, large eddy simulation (LES) and experiments are conducted for …

Artificial intelligence as a catalyst for combustion science and engineering

M Ihme, WT Chung - Proceedings of the Combustion Institute, 2024 - Elsevier
Combustion and energy conversion play critical roles in all facets of environmental and
technological applications, including the utilization of sustainable energy sources for power …