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 …

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 …

Combustion instabilities in swirling flames

AK Gupta - Gas Waerme Int.;(Germany, Federal Republic of), 1979 - osti.gov
Three main types of combustion instabilities often found in combustors boilers and flames
are discussed. These instabilities are: Combustion chamber (ie fluid dynamic, acoustic and …

[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 …

[PDF][PDF] Characterization of a strong swirling flow with precessing vortex core based on measurements of velocity and local pressure fluctuations

P Anacleto, E Fernandes, M Heitor… - … on Applications of Laser …, 2002 - jmprecision.co.uk
The swirling flow in a model lean premixed combustor is studied for flow conditions
characterized by the presence of a breakdown zone and flow pulsations caused by …

Key parameters governing the precessing vortex core in reacting flows: An experimental and analytical study

S Terhaar, K Oberleithner, CO Paschereit - Proceedings of the Combustion …, 2015 - Elsevier
This report deals with an experimental and analytical study of the occurrence of self-excited
hydrodynamic instabilities in swirling combustor flows. Different flow field types are …

Prediction of pressure oscillations in a premixed swirl combustor flow and comparison to measurements

P Habisreuther, C Bender, O Petsch, H Büchner… - Flow, turbulence and …, 2006 - Springer
The most common and reliable technique used for flame stabilization of industrial
combustors with high thermal loads is the application of strongly swirling flows. In addition to …

Phase averaging of the precessing vortex core in a swirl burner under piloted and premixed combustion conditions

D Froud, T O'doherty, N Syred - Combustion and Flame, 1995 - Elsevier
The flow patterns produced in and past the exhaust of a 100-KW swirl burner have been
investigated experimentally under piloted premixed combustion conditions. The well-known …

Generation and alleviation of combustion instabilities in swirling flow

N Syred - Advanced Combustion and Aerothermal Technologies …, 2007 - Springer
Most gas turbine and other combustion systems use swirl as a method of flame stabilization.
Swirling flows can in themselves generate several different types of flow and flame …

A review of oscillation mechanisms and the role of the precessing vortex core (PVC) in swirl combustion systems

N Syred - Progress in Energy and Combustion Science, 2006 - Elsevier
This paper reviews the occurrence of the precessing vortex core (PVC) and other
instabilities, which occur in, swirl combustion systems whilst identifying mechanisms, which …