Turbulent combustion modelling and experiments: Recent trends and developments

A Giusti, E Mastorakos - Flow, Turbulence and Combustion, 2019 - Springer
The development of better laser-based experimental methods and the fast rise in computer
power has created an unprecedented shift in turbulent combustion research. The range of …

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 …

Large eddy simulations of spray combustion instability in an aero-engine combustor at elevated temperature and pressure

Y Cheng, T Jin, K Luo, Z Li, H Wang, J Fan - Aerospace Science and …, 2021 - Elsevier
Large eddy simulations (LES) of self-excited spray combustion instability in an aero-engine
combustor are performed to investigate the mechanisms of combustion instability. Three …

Large-eddy simulation of a lean-premixed hydrogen flame in a low-swirl combustor under combustion instability

J Nagao, AL Pillai, T Shoji, S Tachibana, T Yokomori… - Physics of …, 2023 - pubs.aip.org
Large-eddy simulation (LES) of a lean-premixed hydrogen turbulent jet flame with
combustion instability (CI) in a low-swirl combustor (LSC) is performed by employing a …

Large eddy simulation of the dynamics of lean premixed flames using global reaction mechanisms calibrated for CH4–H2 fuel blends

AM Garcia, S Le Bras, J Prager, M Häringer… - Physics of …, 2022 - pubs.aip.org
The effects of hydrogen addition on the flame dynamics of a bluff-body stabilized methane–
hydrogen turbulent flame are studied with large eddy simulation (LES). The LES is carried …

A numerical investigation of the effects of hydrogen addition on combustion instability inside a partially-premixed swirl combustor

J Nam, JJ Yoh - Applied Thermal Engineering, 2020 - Elsevier
Large eddy simulations (LES) of a hydrogen enriched partially premixed gas turbine
combustor are performed for various operating conditions for examining the fuel condition …

Thermodynamics-acoustics coupling studies on self-excited combustion oscillations maximum growth rate

D Zhao - Journal of Thermal Science, 2022 - Springer
Unlike electric vehicles and electric aircrafts, hydrocarbon-fuelled (fossil) engine systems
are much noisier. By conducting one-step chemical reaction-thermodynamics-acoustics …

Combining analytical models and LES data to determine the transfer function from swirled premixed flames

F Dupuy, M Gatti, C Mirat, L Gicquel, F Nicoud… - Combustion and …, 2020 - Elsevier
A methodology is developed where the acoustic response of a swirl stabilized flame is
obtained from a reduced set of simulations. Building upon previous analytical flame transfer …

Large-eddy simulation and challenges for projection-based reduced-order modeling of a gas turbine model combustor

N Arnold-Medabalimi, C Huang… - … Journal of Spray and …, 2022 - journals.sagepub.com
Computationally efficient modeling of gas turbine combustion is challenging due to the
chaotic multi-scale physics and the complex non-linear interactions between acoustic …