Dynamics of swirling flames

S Candel, D Durox, T Schuller… - Annual review of …, 2014 - annualreviews.org
In many continuous combustion processes, such as those found in aeroengines or gas
turbines, the flame is stabilized by a swirling flow formed by aerodynamic swirlers. The …

Progress and challenges in swirling flame dynamics

S Candel, D Durox, T Schuller, P Palies… - Comptes rendus …, 2012 - Elsevier
In many continuous combustion processes the flame is stabilized by swirling the injected
flow. This is the case for example in aeroengine combustors or in gas turbines where …

Experimental study of vortex-flame interaction in a gas turbine model combustor

M Stöhr, I Boxx, CD Carter, W Meier - Combustion and flame, 2012 - Elsevier
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 …

Understanding the role of flow dynamics in thermoacoustic combustion instability

J O'Connor - Proceedings of the Combustion Institute, 2023 - Elsevier
Thermoacoustic combustion instability is one of the most challenging operational issues in
several high-performance, low-emissions combustion technologies, including gas turbines …

Nonlinear interaction between a precessing vortex core and acoustic oscillations in a turbulent swirling flame

JP Moeck, JF Bourgouin, D Durox, T Schuller… - Combustion and …, 2012 - Elsevier
The interaction of a helical mode with acoustic oscillations is studied experimentally in a
turbulent swirl-stabilized premixed flame. In addition to a precessing vortex core (PVC), the …

Flame dynamics of a variable swirl number system and instability control

D Durox, JP Moeck, JF Bourgouin, P Morenton… - Combustion and …, 2013 - Elsevier
Swirling flame dynamics is investigated using a radial swirler equipped with movable
blades. This device allows to continuously change the swirl number and to examine various …

Recirculation zone dynamics of a transversely excited swirl flow and flame

J O'Connor, T Lieuwen - Physics of fluids, 2012 - pubs.aip.org
This work investigates the response of the vortex breakdown region of a swirling, annular jet
to transverse acoustic excitation for both non-reacting and reacting flows. This swirling flow …

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 …

Thermo-acoustic velocity coupling in a swirl stabilized gas turbine model combustor

V Caux-Brisebois, AM Steinberg, CM Arndt… - Combustion and …, 2014 - Elsevier
Limit-cycle thermo-acoustic velocity coupling mechanisms are studied in a perfectly-
premixed swirl-stabilized combustor using data from 10 kHz repetition-rate stereoscopic …

Effects of flow structure dynamics on thermoacoustic instabilities in swirl-stabilized combustion

AM Steinberg, I Boxx, M Stohr, W Meier, CD Carter - AIAA journal, 2012 - arc.aiaa.org
COMBUSTION-DRIVEN pressure and heat-release oscilla-tions, or thermoacoustic
instabilities, are a major problem in low-emission gas-turbine engines [1–4]. These …