The Effect of Pressure on NOx Entitlement and Reaction Timescales in a Premixed Axial Jet-In-Crossflow

B Stiehl, M Otero, T Genova… - Journal of Energy …, 2021 - asmedigitalcollection.asme.org
This paper investigates the pressure dependency of a lean premixed jet injected into a lean
vitiated crossflow with an experimentally verified detailed chemistry computational fluid …

Preheating and premixing effects on NOx emissions in a high-pressure axially staged combustor

T Genova, M Otero, A Morales, B Stiehl, S Martin… - Combustion and …, 2022 - Elsevier
NO x emissions remain a primary concern for modern and future gas turbines, particularly as
we progress towards a net-zero carbon future. It is critical to identify novel strategies to …

Fuel Stratification Influence on NOx Emission in a Premixed Axial Reacting Jet-in-Crossflow at High Pressure

B Stiehl, T Genova, M Otero… - Journal of Energy …, 2021 - asmedigitalcollection.asme.org
Three reacting jet-in-crossflow (JiC) methane/air flames were numerically investigated in a
lean axially staged combustor at a pressure of five atmospheres. A detailed chemistry Star …

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 …

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 …

Numerical Study of Three Gaseous Fuels on the Reactor Length and Pollutant Formation Under Lean Gas Turbine Conditions

B Stiehl, M Otto, M Newmyer… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
The present paper numerically studies the impact of three gaseous fuels on the reaction
characteristics and pollutant formation in a lean combustion system. The models include an …

NOx Emission of an Axial-Staged Combustor at High-Pressure

B Stiehl, T Genova, M Otero, J Reyes… - AIAA Propulsion and …, 2020 - arc.aiaa.org
This paper describes a Star-CCM+ CFD model predicting NOx emissions for an axial-staged
methane combustor at pressure of five atmospheres. Near-stoichiometric premixed, rich …

Emissions and Flame Characteristics of a High-Pressure Reacting Jet-in-Crossflow

T Genova, M Otero, MK Fortin, M Tonarely… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0767. vid Nitrogen oxide (NOx)
and carbon monoxide (CO) emissions of a high-pressure axial stage combustor are …

Turbulent Combustion Modeling of a Staged Gas Turbine using Commercial CFD Code

B Stiehl, M Otero, T Genova, MK Newmyer… - AIAA Propulsion and …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3487. vid A lean vitiated crossflow
with a 12.7 mm axial methane/air jet was modeled with three-dimensional Computational …

Experimental study of a novel twin-nozzle configuration for reacting jet in hot crossflow

Z Wang, Y Wang, X Liu - Journal of Energy …, 2022 - asmedigitalcollection.asme.org
Advanced gas turbine adopts axially staged combustion to achieve the goal of increasing
turbine inlet temperature while limiting NOx emissions. The premixing effect of secondary …