Effect of swirl on combustion dynamics in a lean-premixed swirl-stabilized combustor

Y Huang, V Yang - Proceedings of the combustion institute, 2005 - Elsevier
The effect of inlet swirl on the flow development and combustion dynamics in a lean-
premixed swirl-stabilized combustor has been numerically investigated using a large-eddy …

Interference mechanisms of acoustic/convective disturbances in a swirl-stabilized lean-premixed combustor

KT Kim, DA Santavicca - Combustion and Flame, 2013 - Elsevier
Interference mechanisms of acoustic/convective disturbances were experimentally
investigated in a swirl-stabilized lean-premixed gas turbine combustor operated with natural …

Large-eddy simulation of combustion dynamics of lean-premixed swirl-stabilized combustor

Y Huang, HG Sung, SY Hsieh, V Yang - Journal of Propulsion and …, 2003 - arc.aiaa.org
GAS-TURBINE engines have traditionally used diffusioname combustors because of their
reliable performance and reasonable stability characteristics. Unfortunately, this type of …

Coherent structures in swirling flows and their role in acoustic combustion control

CO Paschereit, E Gutmark, W Weisenstein - Physics of Fluids, 1999 - pubs.aip.org
Interaction between flow instabilities and acoustic resonant modes and their effect on heat
release were investigated and controlled in an experimental low-emission swirl stabilized …

Impact of swirl fluctuations on the flame response of a perfectly premixed swirl burner

T Komarek, W Polifke - 2010 - asmedigitalcollection.asme.org
Combustion instabilities represent a long known problem in combustion technology. The
complex interactions between acoustics and turbulent swirling flames are not fully …

Combustion instability feedback mechanisms in a lean-premixed swirl-stabilized combustor

KT Kim - Combustion and Flame, 2016 - Elsevier
Constructive interference between heat release rate and acoustic perturbation is
responsible for the growth of acoustic pressure amplitudes, leading to high-amplitude …

Studies of mean and unsteady flow in a swirled combustor using experiments, acoustic analysis, and large eddy simulations

S Roux, G Lartigue, T Poinsot, U Meier, C Bérat - Combustion and Flame, 2005 - Elsevier
The turbulent flow within a complex swirled combustor is studied with compressible large
eddy simulation (LES), acoustic analysis, and experiments for both cold and reacting flows …

Large eddy simulation of bluff-body stabilized swirling non-premixed flames

H El-Asrag, S Menon - Proceedings of the Combustion Institute, 2007 - Elsevier
Large eddy simulations (LES) using a subgrid mixing and combustion model are carried out
to study two bluff-body stabilized swirling non-premixed flames (SM1 and SMA2). The …

Bifurcation of flame structure in a lean-premixed swirl-stabilized combustor: transition from stable to unstable flame

Y Huang, V Yang - Combustion and Flame, 2004 - Elsevier
The present work addresses unsteady flame dynamics in a lean-premixed swirl-stabilized
combustor, with attention focused on the transition of flame structure from a stable to an …

Contributions of hydrodynamic features of a swirling flow to thermoacoustic instabilities in a lean premixed swirl stabilized combustor

B Zhang, M Shahsavari, Z Rao, S Yang, B Wang - Physics of Fluids, 2019 - pubs.aip.org
A comprehensive study on influences of hydrodynamic features of a swirling flow on
thermoacoustic instabilities in a swirl stabilized combustor is performed by using large eddy …