[PDF][PDF] Investigation of a periodic combustion instability in a swirl burner using phase-resolved PIV

M Stöhr, W Meier - Proceedings of the European Combustion …, 2007 - researchgate.net
The velocity field of a partially premixed, turbulent swirling flame in a gas turbine model
combustor has been measured using Particle Image Velocimetry (PIV). The flame, operated …

Experimental study of unsteady flame structures of an oscillating swirl flame in a gas turbine model combustor

M Stöhr, R Sadanandan, W Meier - Proceedings of the Combustion …, 2009 - Elsevier
Velocity fields and flame structures of a partially premixed swirl flame in a gas turbine model
combustor are measured in axial and transverse sections using simultaneous (Stereo-) PIV …

Experimental investigation of the interaction of unsteady flow with combustion

KU Schildmacher, R Koch - … Expo: Power for …, 2003 - asmedigitalcollection.asme.org
In order to reduce the dimensions of the combustor, swirl stabilized flames are used in heavy
duty gas turbines. In our recent investigation of the swirling flow at a single heavy duty gas …

[PDF][PDF] High-speed PIV investigation of coherent structures in a swirl-stabilized combustor operating at dry and steam-diluted conditions

S Terhaar, CO Paschereit - 16th International Symposium on …, 2012 - researchgate.net
Flow instabilities are known to influence the combustion process in many beneficial and
adverse ways. In the current study the occurrence of helical flow instabilities featuring a …

Experimental investigation of the interaction of unsteady flow with combustion

KU Schildmacher, R Koch - J. Eng. Gas …, 2005 - asmedigitalcollection.asme.org
In order to reduce the dimensions of the combustor, swirl stabilized flames are used in heavy
duty gas turbines. In our recent investigation of the swirling flow at a single heavy duty gas …

Responses of combustor surface temperature to flame shape transitions in a turbulent bi-stable swirl flame

Z Yin, P Nau, W Meier - Experimental Thermal and Fluid Science, 2017 - Elsevier
Turbulent swirl flames are known to exhibit intermittent transitions between V-and M-shapes
at certain operating conditions. A diagnostic apparatus based on a commercial highspeed …

Impact of steam-dilution on the flame shape and coherent structures in swirl-stabilized combustors

S Terhaar, K Oberleithner… - Combustion Science and …, 2014 - Taylor & Francis
Humidified gas turbines and steam-injected gas turbines are promising technologies to
lower the emissions and increase the efficiency and fuel flexibility of gas turbines. In the …

[PDF][PDF] The dynamic behaviour of turbulent, premixed swirl flames

C Külsheimer, H Büchner, H Bockhorn - Proc. of the 18th Int. Colloq. on …, 2001 - icders.org
The physical understanding of the frequency-dependent flame dynamics on periodic
disturbances is indispensable for the prediction of the formation of combustion-driven …

[PDF][PDF] Experimental study of transient coupling of PVC formation and flame shape transition in a bi-stable turbulent swirl flame

M Stöhr, K Oberleithner, CM Arndt… - Proceedings of the …, 2015 - ecm2015.hu
The dynamics of a bi-stable swirl flame in a gas turbine model combustor is studied using
simultaneous PIV and OH-PLIF at 10 kHz. For most operating conditions, the flames in the …

Tomographic reconstruction of heat release rate perturbations induced by helical modes in turbulent swirl flames

JP Moeck, JF Bourgouin, D Durox, T Schuller… - Experiments in …, 2013 - Springer
Swirl flows with vortex breakdown are widely used in industrial combustion systems for
flame stabilization. This type of flow is known to sustain a hydrodynamic instability with a …