Rotational symmetry-driven modal dynamics of high-frequency transverse instabilities in a lean-premixed multislit hydrogen combustor

D Park, T Lee, KT Kim - Combustion and Flame, 2022 - Elsevier
A cluster of small-scale multislit injectors, with aperture dimension of the same order of
magnitude as the characteristic thickness of hydrogen flames, effectively mitigates flashback …

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 …

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 …

[HTML][HTML] High-fidelity H2–CH4 jet in crossflow modelling with a flame index-controlled artificially thickened flame model

S Castellani, R Meloni, S Orsino, N Ansari… - international journal of …, 2023 - Elsevier
Hydrogen introduction in existing combustion systems can heavily alter the flame
morphology and stability limit of the system itself. This makes the numerical prediction of …

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 …

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 …

[PDF][PDF] Numerical Investigation of Reacting Jet-in-Crossflow at High Pressure

B Stiehl - 2020 - researchgate.net
In this dissertation, the operational map of a lean reacting jet-in-crossflow situation has been
explored with Computational Fluid Dynamics (CFD) and an axially staged combustor …

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 …