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Investigation of a Rectangular Rich-Quench-Lean Combustor Sector

Koopman, J.W. and Hassa, Ch. and Griebel, P. and Theisen, P. (1998) Investigation of a Rectangular Rich-Quench-Lean Combustor Sector. ASME. 43rd ASME Gas Turbine and Aeroengines Congress, Stockholm, Schweden, June 1998.

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Abstract

The chemically reacting flow in the mixing and secondary zone of the improved RQL combustor sector of the DLR has been numerically investigated. The combustion model is adapted to meet experimental conditions and proves to underpredict temperature fluctuations. The pressure dependence of the NOx emission index for the quench and lean zone of the combustor can be described with an exponential factor of 0.66. Although the level of agreement between measured and calculated results is not consistently good, the code can be used to study the effect of various operating conditions as well as the effect of geometrical changes on the flow and the emissions.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Investigation of a Rectangular Rich-Quench-Lean Combustor Sector
Authors:
AuthorsInstitution or Email of Authors
Koopman, J.W.UNSPECIFIED
Hassa, Ch.UNSPECIFIED
Griebel, P.UNSPECIFIED
Theisen, P.UNSPECIFIED
Date:1998
Volume:ASME-GT-230
Editors:
EditorsEmail
ASME, UNSPECIFIED
Publisher:ASME
Status:Published
Keywords:RQL, Combustion, NOx, Emission
Event Title:43rd ASME Gas Turbine and Aeroengines Congress, Stockholm, Schweden, June 1998
Organizer:ASME
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L TT - Triebwerkstechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 13:01

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