Stratified and hydrogen combustion techniques for higher turndown and lower emissions in gas turbines

MA Nemitallah, MDA Haque… - Journal of …, 2022 - asmedigitalcollection.asme.org
This review overviews combustion technologies for reduced emissions and better fuel
economy in the industrial gas turbine. Lean premixed combustion (LPM) technology is …

Effects of hydrogen blending and exhaust gas recirculation on NOx emissions in laminar and turbulent CH4/Air flames at 25 bar

D Cecere, S Carpenella, E Giacomazzi, A Stagni… - International journal of …, 2024 - Elsevier
In this work, the effect of Exhaust Gas Recirculation (EGR) on NO x emissions in a CH 4/H
2/air combustion at 25 bar, at an equivalence ratio Φ= 0.7, is analyzed in laminar and …

Analysis of ammonia combustion for decarbonization followed by selective non-catalytic reduction of nitrogen oxides

WH Chen, P Sarles, AK Sharma, SS Lam… - International Journal of …, 2023 - Elsevier
This study aimed to investigate the thermodynamics of ammonia combustion at engine
conditions and subsequent selective non-catalytic reduction (SNCR) of the products …

Hydrogen addition effect on NO formation in methane/air lean-premixed flames at elevated pressure

S Park - International Journal of Hydrogen Energy, 2021 - Elsevier
The present study investigates freely propagating methane/hydrogen lean-premixed laminar
flames at elevated pressures to understand the hydrogen addition effect of natural gas on …

The influence of pressure on flame-flow characteristics of a reacting jet in crossflow

M Otero, T Genova Jr, B Stiehl… - Journal of …, 2022 - asmedigitalcollection.asme.org
This work experimentally investigates the effects of elevated combustor pressures on the
characteristics of a lean premixed reacting methane/air jet injected into a lean vitiated …

Solving Renewable Intermittency With Low-Cost Legacy Turbines Firing 100% Hydrogen: An Ecosystem Analysis

G Gramatikas, M Otto - … Power for Land, Sea, and Air, 2023 - asmedigitalcollection.asme.org
Abstract This paper investigates 100%-hydrogen-fuel gas turbines as an enabler for
renewable electric power. Intermittent renewables such as solar and wind raise grid …

Controlling pollutant emissions in a high-pressure combustor with fuel-diluent blending

B Stiehl, A Morales, T Genova, M Otero, S Martin… - Fuel, 2022 - Elsevier
This paper investigates the formation of nitric oxide (NO) and carbon monoxide (CO)
emissions as a function of nitrogen (N 2) or carbon dioxide (CO 2) diluent content, added to …

The effects of slotted nozzle arrangement on reacting characteristics in a premixed syngas jet in vitiated crossflow

H Yang, Z Zhang - International Journal of Hydrogen Energy, 2024 - Elsevier
The utilization of syngas is crucial for reducing carbon emissions. When the reacting jet in
crossflow (RJICF) achieves moderate or intense low-oxygen dilution (MILD) combustion, it …

Transverse injection of rich, premixed, natural gas-air and natural gas-hydrogen-air reacting jets into high-speed vitiated crossflow at engine-relevant conditions

NS Rodrigues, CT McDonald, OO Busari… - International Journal of …, 2021 - Elsevier
The transverse injection of rich, premixed natural gas and air (NG-air) and natural gas,
hydrogen, and air (NG-H 2-air) reacting jets into a high-speed vitiated crossflow was …

[HTML][HTML] Composition and Injection Angle Effects on Combustion of an NH3/H2/N2 Jet in an Air Crossflow

D Cecere, M Cimini, S Carpenella, J Caldarelli… - Energies, 2024 - mdpi.com
This study explores the combined effects of fuel composition and injection angle on the
combustion behavior of an NH 3/H 2/N 2 jet in an air crossflow by means of high-fidelity …