Modal dynamics of self-excited thermoacoustic instabilities in even and odd numbered networks of lean-premixed combustors

K Moon, D Bae, KT Kim - Combustion and Flame, 2023 - Elsevier
Can-to-can acoustic interactions in a circumferential network of lean-premixed combustors
have a prominent role in the development of complicated modal dynamics and large-scale …

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 …

Experimental investigation of combustion instability in a centrally staged combustor under self-excited oscillation conditions

J Ma, M Han, X Han, X Hui, X Xue - Physics of Fluids, 2023 - pubs.aip.org
This paper presents an experimental investigation of combustion instability and flame
dynamics in a laboratory-scale lean premixed prevaporized centrally staged combustor …

Thermoacoustic oscillations in a can-annular model combustor with asymmetries in the can-to-can coupling

PE Buschmann, NA Worth, JP Moeck - Proceedings of the Combustion …, 2023 - Elsevier
Can-annular combustors are equipped with a set of nominally identical cans,
circumferentially arranged around the shaft. Adjacent cans are coupled acoustically via a …

On the flame transfer function models for laminar premixed conical and V-flames considering the stretch effect

Y Tian, L Yang, AS Morgans, J Li - Combustion and Flame, 2023 - Elsevier
This paper investigates a predictive model that considers the impact of stretch on the
dynamic response of laminar premixed conical and V-flames; the flame stretch consists of …

Low-order modeling of collective dynamics of four ring-coupled turbulent thermoacoustic oscillators

Y Liao, Y Guan, P Liu, K Moon, KT Kim - Nonlinear Dynamics, 2024 - Springer
We investigate the low-order modeling of collective dynamics in a can-annular combustor
consisting of four ring-coupled turbulent lean-premixed combustors. Each combustor is …

Active control of multiple neural networks for oscillating combustion

L Zhang, X Su, H Zhou, X Wang, Z Ren - AIAA Journal, 2022 - arc.aiaa.org
A multiple neural network controller is proposed and demonstrated to suppress the pressure
oscillation of the Rijke tube acoustic network. This controller consists of three modules …

Acoustics of can-annular combustors: Experimental characterisation and modelling of a lab-scale multi-can setup with adjustable geometry

SC Humbert, A Orchini - Journal of Sound and Vibration, 2023 - Elsevier
In can-annular combustors, a narrow can-turbine junction leads to an acoustic coupling
between the cans, yielding unique features that greatly impact the (thermo) acoustic …

Flow characteristics analysis and combustion oscillation mitigation of a hydrogen industrial burner

L Zhang, S Li, T Liu, H Zhou, Z Ren - International Journal of Hydrogen …, 2025 - Elsevier
With the promotion of carbon neutrality policies, hydrogen burners are widely used in the
industrial field, and exploring the combustion characteristics and stable combustion …

Dynamical states and bifurcations in coupled thermoacoustic oscillators

S Srikanth, SA Pawar, K Manoj, RI Sujith - Chaos: An Interdisciplinary …, 2022 - pubs.aip.org
The emergence of rich dynamical phenomena in coupled self-sustained oscillators, primarily
synchronization and amplitude death, has attracted considerable interest in several fields of …