In flameless oxidation the combustion is distributed over a large volume by a high internal flue gas recirculation. This technology has been successfully used for many years in technical furnaces under atmospheric conditions with very low emissions. In the work presented here, combustion was for the first time investigated at high pressure in order to assess its applicability for gas turbine combustors. A burner was equipped with a combustion chamber with quartz windows and installed into a high pressure test rig with optical access. The burner was operated under typical gas turbine conditions at a pressure of with thermal powers up to . Natural gas, as well as mixtures of natural gas and were used as fuel. The and emissions were recorded for the different operating conditions. chemiluminescence imaging and planar laser-induced fluorescence of were applied in order to characterize the flame zone and the relative temperature distributions. The combustion behavior was investigated as a function of equivalence ratio and fuel composition, and the influence of the gas inlet velocity on mixing and emissions was studied. For various operating conditions, the lean extinction limits were determined.
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e-mail: Rainer.Lueckerath@DLR.de
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January 2008
Research Papers
Combustion at High Pressure With Different Fuel Compositions
Rainer Lückerath,
Rainer Lückerath
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
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Wolfgang Meier,
Wolfgang Meier
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
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Manfred Aigner
e-mail: Rainer.Lueckerath@DLR.de
Manfred Aigner
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
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Rainer Lückerath
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
Wolfgang Meier
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
Manfred Aigner
Institute of Combustion Technology
, German Aerospace Center (DLR), Pfaffenwaldring 38-40, D-70569 Stuttgart, Germanye-mail: Rainer.Lueckerath@DLR.de
J. Eng. Gas Turbines Power. Jan 2008, 130(1): 011505 (7 pages)
Published Online: January 9, 2008
Article history
Received:
May 3, 2007
Revised:
May 9, 2007
Published:
January 9, 2008
Citation
Lückerath, R., Meier, W., and Aigner, M. (January 9, 2008). " Combustion at High Pressure With Different Fuel Compositions." ASME. J. Eng. Gas Turbines Power. January 2008; 130(1): 011505. https://doi.org/10.1115/1.2749280
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