Hassa, C. and Migueis, C.E. and Voigt, P. (1998) Design Principals for the Quench Zone of Rich-Quench-Lean Combustors. In: Design Principles and Methods for Aircraft Gas Turbine Engines, 18-1-18-11. Canada Communication Group Inc.. RTO-Symposium, Toulouse, Frankreich, 12.05.1998. ISBN 92-837-0005-8.
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Isothermal experiments on the mixing of jet rows in crossflow with particular attention to the quench zone mixing of RQL combustors have been carried out. Comparing mixing with combusting and isothermal mixing, it could be demonstrated, that with the combination of jet air concentration measurements and numerical calculations of the flow, medium pressure combustion tests with 3-D probe measurements can be bypassed for the jet row optimization. The study with homogenuous crossflow for RQL combustors without cooling air in the primary zone showed optimum mixing with two staggered rows with close axial spacing. The light sheet technique could be demonostrated to give good quantitative results with higher spatial resolution than any other competing technique if applied with the appropriate care. Its application clearly revealed the influence of swirling, recirculating primary zone flow on the jet mixing.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Design Principals for the Quench Zone of Rich-Quench-Lean Combustors|
|Journal or Publication Title:||Design Principles and Methods for Aircraft Gas Turbine Engines|
|Publisher:||Canada Communication Group Inc.|
|Series Name:||RTO Meeting Proceedings 8|
|Event Title:||RTO-Symposium, Toulouse, Frankreich, 12.05.1998|
|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):||L - Combustion Chamber Technologies|
|Institutes and Institutions:||Institute of Propulsion Technology|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 13:08|
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