Phase-resolved characterization of vortex–flame interaction in a turbulent swirl flame
The relation between flow field and flame structure of a turbulent swirl flame is investigated
using simultaneous particle image velocimetry (PIV) and planar laser-induced fluorescence …
using simultaneous particle image velocimetry (PIV) and planar laser-induced fluorescence …
Effect of high-amplitude forcing on turbulent combustion intensity and vortex core precession in a strongly swirling lifted propane/air flame
SV Alekseenko, VM Dulin, YS Kozorezov… - Combustion Science …, 2012 - Taylor & Francis
The present work reports stereoscopic particle image velocimetry (PIV) measurements in a
strongly swirling nonreacting jet and partially premixed lifted flame. The spatial distributions …
strongly swirling nonreacting jet and partially premixed lifted flame. The spatial distributions …
Examining flow-flame interaction and the characteristic stretch rate in vortex-driven combustion dynamics using PIV and numerical simulation
In this paper, we experimentally investigate the combustion dynamics in lean premixed
flames in a laboratory scale backward-facing step combustor in which flame-vortex driven …
flames in a laboratory scale backward-facing step combustor in which flame-vortex driven …
Parametric study of vortex structures and their dynamics in swirl-stabilized combustion
AM Steinberg, CM Arndt, W Meier - Proceedings of the Combustion …, 2013 - Elsevier
The dynamics of major flow structures were studied in a gas turbine model combustor for
perfectly premixed swirl-stabilized flames under a variety of reacting and non-reacting …
perfectly premixed swirl-stabilized flames under a variety of reacting and non-reacting …
Large eddy simulation of vortex breakdown/flame interaction
C Duwig, L Fuchs - Physics of Fluids, 2007 - pubs.aip.org
The dynamics of a swirl-stabilized premixed flame is studied using large eddy simulation
(LES). A filtered flamelet model is used to account for the subgrid combustion. The model …
(LES). A filtered flamelet model is used to account for the subgrid combustion. The model …
Transient effects of fuel–air mixing in a partially-premixed turbulent swirl flame
Unsteady interactions of flow, fuel–air mixing and reaction in a lean partially-premixed
turbulent swirl flame are investigated using simultaneous particle image velocimetry and …
turbulent swirl flame are investigated using simultaneous particle image velocimetry and …
Experimental study of vortex-flame interaction in a gas turbine model combustor
The interaction of a helical precessing vortex core (PVC) with turbulent swirl flames in a gas
turbine model combustor is studied experimentally. The combustor is operated with air and …
turbine model combustor is studied experimentally. The combustor is operated with air and …
Time-resolved study of mixing and reaction in an aero-engine model combustor at increased pressure
In this study, we experimentally investigate large-scale vortex structures, fuel-air mixing and
reaction processes, which occur in a partially premixed swirl-stabilized ethylene/air flame in …
reaction processes, which occur in a partially premixed swirl-stabilized ethylene/air flame in …
Laser-based investigations in gas turbine model combustors
Dynamic processes in gas turbine (GT) combustors play a key role in flame stabilization and
extinction, combustion instabilities and pollutant formation, and present a challenge for …
extinction, combustion instabilities and pollutant formation, and present a challenge for …
Further characterization of the disturbance field in a transversely excited swirl-stabilized flame
J O'Connor, T Lieuwen - 2012 - asmedigitalcollection.asme.org
This paper describes an analysis of the unsteady flow field in swirl flames subjected to
transverse acoustic waves. This work is motivated by transverse instabilities in annular gas …
transverse acoustic waves. This work is motivated by transverse instabilities in annular gas …