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Experimental and Numerical Investigation of a Planar Combustor Sector at Realistic Operating Conditions

[+] Author Affiliations
Thomas Behrendt, Martin Carl, Christian Fleing, Matthias Frodermann, Johannes Heinze, Christoph Hassa

German Aerospace Center, Cologne, Germany

Ulrich Meier, Dagmar Wolff-Gaßmann

German Aerospace Center, Stuttgart, Germany

Stefan Hohmann, Nikolaos Zarzalis

Daimler Chrysler Aerospace, Munich, Germany

Paper No. 2000-GT-0123, pp. V002T02A043; 8 pages
doi:10.1115/2000-GT-0123
From:
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7855-2
  • Copyright © 2000 by ASME

abstract

Results of an ongoing collaboration between the engine manufacturer MTU and the German aerospace research center DLR on the NOx reduction potential of conventional combustors are reported. A program comprising optical sector combustor measurements at 1, 6 and 15 bars and CFD calculations is carried out. The aims are to gather information in the combustor at realistic operating conditions, to understand the differences between the sector flow field and data from tubular combustors, to verify the used CFD and to discover the benefits and limitations of the applied optical diagnostics. Selected results of measurement and calculation of the isothermal flow and of measurements at 6 bars and 700 K at a rich-lean and overall lean AFR are reported. The used measurement techniques were LDA, PDA, Mie scattering on kerosene, Quantitative Light Scattering, OH* Chemiluminescence and LIF on OH. The measurements were able to confirm the intended quick and homogeneous mixing of the three staggered rows of secondary air jets.

Copyright © 2000 by ASME

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