NOx pathways in lean partially premixed swirling H2‐air turbulent flame

T Capurso, D Laera, E Riber, B Cuenot - Combustion and Flame, 2023 - Elsevier
Today's climate and energy challenges are driving the use of decarbonised and renewable
alternative fuels in power generation and transportation. Hydrogen as a fuel is a good …

Impact of wall heat transfer in Large Eddy Simulation of flame dynamics in a swirled combustion chamber

PW Agostinelli, D Laera, I Boxx, L Gicquel… - Combustion and …, 2021 - Elsevier
Abstract Large Eddy Simulation (LES) is a fundamental research tool to study gas turbines
and aero-engine combustors. In LES, although rarely addressed systematically, it is known …

On the impact of H2-enrichment on flame structure and combustion dynamics of a lean partially-premixed turbulent swirling flame

PW Agostinelli, D Laera, I Chterev, I Boxx… - Combustion and …, 2022 - Elsevier
Abstract Large Eddy Simulation (LES) with Conjugate Heat Transfer (CHT) is used to
analyze the impact of H 2-enrichment on the flame structure and combustion dynamics of a …

Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector

A Aniello, D Laera, S Marragou, H Magnes, L Selle… - Combustion and …, 2023 - Elsevier
This study investigates H 2-air flames obtained with a laboratory scale coaxial dual-swirl
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …

Large eddy simulations of mean pressure and H2 addition effects on the stabilization and dynamics of a partially-premixed swirled-stabilized methane flame

PW Agostinelli, D Laera, I Chterev, I Boxx… - Combustion and …, 2023 - Elsevier
This work analyzes pressure and hydrogen enrichment effects on the stabilization and
combustion dynamics of a partially-premixed swirled-stabilized methane flame operated at …

LES-based prediction of technically premixed flame dynamics and comparison with perfectly premixed mode

J Kuhlmann, S Marragou, I Boxx, T Schuller… - Physics of …, 2022 - pubs.aip.org
The present study combines Large Eddy Simulation (LES) with System Identification (SI) to
determine the Flame Transfer Functions (FTFs) of technically premixed flames that respond …

Large-eddy simulation of unstable non-reactive flow in a swirler combustor

N Meng, F Li - Physics of Fluids, 2022 - pubs.aip.org
A comprehensive study on the influence of the unsteady non-reactive flow characteristics of
turbulent flow in a three-stage swirl combustion chamber using power spectral density …

[HTML][HTML] On the incorporation of conservation laws in machine learning tabulation of kinetics for reacting flow simulation

T Readshaw, WP Jones, S Rigopoulos - Physics of Fluids, 2023 - pubs.aip.org
Tabulation of chemical mechanisms with artificial neural networks (ANNs) offers significant
speed benefits when computing the real-time integration of reaction source terms in …

Toward the use of LES for industrial complex geometries. Part I: automatic mesh definition

A Grenouilloux, J Leparoux, V Moureau… - Journal of …, 2023 - Taylor & Francis
With the constant increase of computational power for the past years, Computational Fluid
Dynamics (CFD) has become an essential part of the design in complex industrial …

Application of an automatic mesh convergence procedure for the large eddy simulation of a multipoint injection system

S Puggelli, J Leparoux, C Brunet… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
Lean combustion is an attractive alternative to limit pollutants levels in order to meet the
imposed limitations for the next generation of civil aero-engines. However, its …