An investigation on flame structure and NOx formation in a gas turbine model combustor using large eddy simulation

AA Beige, A Mardani - Physics of Fluids, 2023 - pubs.aip.org
In this work, large eddy simulations (LES) of a Gas Turbine Model Combustor (GTMC) are
done using a five-step global mechanism that includes separate thermal and non-thermal …

Hydrogen thermal-powered aircraft combustion and propulsion system

PP Palies - Journal of Engineering for Gas Turbines …, 2022 - asmedigitalcollection.asme.org
This article presents an assessment study of the propulsion system, the fuel distribution
system, and the injector/combustor technologies enabling to eliminate of CO2 emissions in …

Impact of a centerbody on the unsteady flow dynamics of a swirl nozzle: Intermittency of precessing vortex core oscillations

S Gupta, S Shanbhogue… - … for Gas Turbines …, 2022 - asmedigitalcollection.asme.org
The precessing vortex core (PVC) is a self-excited flow oscillation state occurring in swirl
nozzles. This is caused by the presence of a marginally unstable hydrodynamic helical …

Large eddy simulation study: The impact of fuel injection modes on the dynamic performance of low-emission tower-type coaxial-staged combustor

Y Shi, E Liu, X Liu, C Hu, S Li, G Lv, H Zheng - Physics of Fluids, 2024 - pubs.aip.org
The low-emission technology of gas turbine combustors is currently an active area of
research. In light-duty lean-premixed combustors, achieving rapid and uniform fuel mixing …

Extended cluster-based network modeling for coherent structures in turbulent flows

A Colanera, JM Reumschüssel, JP Beuth… - … and Computational Fluid …, 2025 - Springer
This study introduces the Extended Cluster-based Network Modeling (eCNM), a
methodology to analyze complex fluid flows. The eCNM focuses on characterizing dynamics …

Design of a fluidic actuator with independent frequency and amplitude modulation for control of swirl flame dynamics

A Adhikari, T Schweitzer, F Lückoff, K Oberleithner - Fluids, 2021 - mdpi.com
Fluidic actuators are designed to control the oscillatory helical mode, called a precessing
vortex core (PVC), which is often observed in gas turbine combustors. The PVC induces …

[PDF][PDF] Data-driven identification and modelling of coherent dynamics in turbulent flows

MA Sieber - 2021 - researchgate.net
Ich möchte hier allen danken, die mich im Laufe der letzten Jahre dabei unterstütz haben,
diese Dissertation zu vollenden. Zu aller erst gilt ein sehr großer Dank meiner Frau Laura …

Numerical simulation of the combustion characteristics in a flue gas internal recirculation burner

L Zhang, C Wu, J Zhang, B Zhang, C Sui - ACS omega, 2022 - ACS Publications
The combustion characteristics and NOx emissions of a newly designed flue gas internal
recirculation low-NOx burner (FIR) were studied. In the study, experimental and numerical …

The Influence of the Confinement Ratio on the Precessing Vortex Core Dynamics in a Counter-Rotating Dual Swirler

S Link, K Dave, G Eitelberg… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Lean-premixed swirl-stabilized combustion is a successful strategy to reduce pollutant
emissions. However, these combustion systems are especially prone to thermoacoustic …

The Role of Hydrodynamic Instabilities on Near-Lean Blowout Flame Shapes in a Swirl-Stabilized Spray Combustor

N Rock, S Stouffer… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
This study investigates the role of hydrodynamic instabilities on near-lean blowout (LBO)
flame shapes in a swirl-stabilized spray combustor. Hydrodynamic instabilities often …