Air Quality Implications of Using Ammonia as a Renewable Fuel: How Low Can NOx Emissions Go?

S Gubbi, R Cole, B Emerson, D Noble… - ACS Energy …, 2023 - ACS Publications
In addition to their lifecycle carbon emissions, another important issue with decarbonized
energy pathways is their air quality, water, or land use implications. This paper considers the …

Ammonia Can Be Currently Considered One of the Best Green Energy Allies

R González, X Gómez - Sustainable Chemistry, 2024 - mdpi.com
Ammonia can be considered a relevant compound in the future energy sector, playing a
significant role as an energy carrier, storage, or carbon-free fuel. However, the production of …

Hybrid rich-and lean-premixed ammonia-hydrogen combustion for mitigation of NOx emissions and thermoacoustic instabilities

U Jin, KT Kim - Combustion and Flame, 2024 - Elsevier
The large-scale direct utilization of two carbon-free fuels, ammonia and hydrogen, is
currently attracting significant interest in the context of the development of new gas turbine …

LES of turbulent NH3-CH4-air lean premixed swirling flame and improving the prediction accuracy of chemical reactor network method under different wall …

P Wang, Z Zhang, K Cheng, R Shuai, W Qian, W Liu… - Fuel, 2025 - Elsevier
Abstract 7In this work, the combustion and emission characteristics of turbulent swirling
flames with an equivalence ratio of 0.8 and NH 3-CH 4 mixing volume ratio of 4: 6, at …

Roles for combustion in a net-zero CO2 society

T Lieuwen, B Emerson, V Acharya, I Gupta - Proceedings of the …, 2024 - Elsevier
This paper considers the role of combustion, and associated future combustion R&D needs,
to support the decarbonizing of civilian energy and propulsion sectors. The field has already …

Emission control of an ammonia-air flame in a coaxial tangential injection combustor at elevated pressure conditions

MJ Lee, YT Ghuak, W Jung, N Kim - Combustion and Flame, 2024 - Elsevier
This study is the first to present the emission characteristics of the fuel staging method for a
pure ammonia-air flame using a coaxial tangential injection combustor. The primary …

Large eddy simulations and experimental studies of the influence of equivalence ratio on the combustion characteristics of turbulent NH3–CH4 premixed flames

P Wang, Z Zhang, K Cheng, W Qian, R Shuai, K Dai… - Physics of …, 2024 - pubs.aip.org
As one of the most promising zero-carbon fuels, ammonia has attracted widespread
attention. However, ammonia combustion faces problems such as high nitrogen oxide …

Ammonia Can be Currently Considered as one of the Best Green Energy Ally

R González, X Gómez - 2024 - preprints.org
Ammonia can be considered a relevant compound in the future energy sector, playing a
significant role as an energy carrier, storage, or carbon-free fuel. However, the production of …

A Reactor-Network Framework to Model Performance and Emissions of a Longitudinally Staged Combustion System for Carbon-Free Fuels

HS Gopalakrishnan, R Maddipati… - … for Gas Turbines …, 2024 - asmedigitalcollection.asme.org
Hydrogen and ammonia are considered crucial carbon-free energy carriers optimally suited
for seasonal chemical storage and balancing of the energy system. In this context …

Nonpremixed Approaches for Fuel Flexible, Low NOx Combustors in High-Efficiency Gas Turbines

B Emerson, SJ Patel, S Gubbi… - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
Lean, premixed combustor designs have almost completely replaced non-premixed
combustors for industrial gas turbine applications where NOx emissions are regulated …