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 turbine burner under nonreacting conditions typical instabilities like precessing vortex cores and vortex shedding have been found (Schildmacher et al., Proceedings of the 6th European Conference on Industrial Furnaces and Boilers). In the present paper the experimental investigations will be discussed. Combustion instabilities have been analyzed by phase-locked laser doppler anemometer measurements. For the reacting flow, also combustion instabilities could be detected. The amplitude increases strongly with the equivalence ratio. The frequency of the oscillations for reacting conditions has been found to be slightly shifted towards lower frequencies compared to those of the corresponding nonreacting flow. In addition, for the reacting flow a linear and nonlinear range of oscillations could be discriminated.
Skip Nav Destination
Article navigation
April 2005
Technical Papers
Experimental Investigation of the Interaction of Unsteady Flow With Combustion
K.-U. Schildmacher,
K.-U. Schildmacher
Institute of Thermal Turbomachinery, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany
Search for other works by this author on:
R. Koch
R. Koch
Institute of Thermal Turbomachinery, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany
Search for other works by this author on:
K.-U. Schildmacher
Institute of Thermal Turbomachinery, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany
R. Koch
Institute of Thermal Turbomachinery, University of Karlsruhe, Kaiserstrasse 12, 76128 Karlsruhe, Germany
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Atlanta, GA, June 16–19, 2003, Paper No. 2003-GT-38644. Manuscript received by IGTI, Oct. 2002, final revision, Mar. 2003. Associate Editor: H. R. Simmons.
J. Eng. Gas Turbines Power. Apr 2005, 127(2): 295-300 (6 pages)
Published Online: April 15, 2005
Article history
Received:
October 1, 2002
Revised:
March 1, 2003
Online:
April 15, 2005
Citation
Schildmacher , K., and Koch, R. (April 15, 2005). "Experimental Investigation of the Interaction of Unsteady Flow With Combustion ." ASME. J. Eng. Gas Turbines Power. April 2005; 127(2): 295–300. https://doi.org/10.1115/1.1789512
Download citation file:
Get Email Alerts
Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced Order Mode
J. Eng. Gas Turbines Power
Design And Testing of a Compact, Reverse Brayton Cycle, Air (R729) Cooling Machine
J. Eng. Gas Turbines Power
Experimental Study on Liquid Jet Trajectory in Cross Flow of Swirling Air at Elevated Pressure Condition
J. Eng. Gas Turbines Power
Related Articles
Effect of Vortex Flow on Heat Transfer to Combustion Chamber Wall
J. Eng. Gas Turbines Power (April,2007)
Flashback Limits for Combustion Induced Vortex Breakdown in a Swirl Burner
J. Eng. Gas Turbines Power (July,2003)
Experimental and Numerical Investigation of a Swirl Stabilized Premixed Combustor Under Cold-Flow Conditions
J. Fluids Eng (July,2007)
Analysis of Combustion Induced Vortex Breakdown Driven Flame Flashback in a Premix Burner With Cylindrical Mixing Zone
J. Eng. Gas Turbines Power (October,2007)
Related Proceedings Papers
Related Chapters
Outlook
Closed-Cycle Gas Turbines: Operating Experience and Future Potential
Combustion Under Harmonically Oscillating Pressure
Theory of Solid-Propellant Nonsteady Combustion
Experimental Investigation of Ventilated Supercavitation Under Unsteady Conditions
Proceedings of the 10th International Symposium on Cavitation (CAV2018)