Dynamics of swirling flames
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 …
turbines, the flame is stabilized by a swirling flow formed by aerodynamic swirlers. The …
High speed imaging in fundamental and applied combustion research
V Sick - Proceedings of the Combustion Institute, 2013 - Elsevier
This overview presents examples of applications of high frame rate imaging diagnostics in
fundamental and applied combustion research. Progress in the performance of high frame …
fundamental and applied combustion research. Progress in the performance of high frame …
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 …
Flow–flame interactions causing acoustically coupled heat release fluctuations in a thermo-acoustically unstable gas turbine model combustor
A detailed analysis of the flow–flame interactions associated with acoustically coupled heat-
release rate fluctuations was performed for a 10kW, CH4/air, swirl stabilized flame in a gas …
release rate fluctuations was performed for a 10kW, CH4/air, swirl stabilized flame in a gas …
Dynamics of lean blowout of a swirl-stabilized flame in a gas turbine model combustor
Lean blowout (LBO) of a partially premixed swirl flame is studied using chemiluminescence
imaging and simultaneous stereo-PIV and OH-PLIF measurements at repetition rates up to …
imaging and simultaneous stereo-PIV and OH-PLIF measurements at repetition rates up to …
Nonlinear interaction between a precessing vortex core and acoustic oscillations in a turbulent swirling flame
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 …
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
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 …
blades. This device allows to continuously change the swirl number and to examine various …
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 …
Combustion instability of a lean premixed prevaporized gas turbine combustor studied using phase-averaged PIV
A strong, naturally-occurring “growl” combustion instability was studied for the case of a lean
premixed prevaporized (LPP) combustor that shows great promise in reducing pollutant …
premixed prevaporized (LPP) combustor that shows great promise in reducing pollutant …
Experimental study of industrial gas turbine flames including quantification of pressure influence on flow field, fuel/air premixing and flame shape
A commercial swirl burner for industrial gas turbine combustors was equipped with an
optically accessible combustion chamber and installed in a high-pressure test-rig. Several …
optically accessible combustion chamber and installed in a high-pressure test-rig. Several …