On the Primary Zone Flame Dynamics of Air-Staged Combustion Chambers in Aero Engines

Beschreibung

The aim of the present work is the investigation of the flame dynamics of the primary zone in air-staged aero engine combustion chambers (RQL). Furthermore, the transfer of the flame dynamics of the isolated primary zone to the compact RQL arrangement is examined. The results clarify the contribution of the primary zone to the overall flame dynamics of the RQL combustor studied in this work. The quantification of the flame dynamics in terms of flame transfer functions (FTF) is performed by using the purely acoustic multimicrophone method (MMM), as well as the optical method based on the flame’s chemiluminescence (OH*, CH*, C2* and CO2*).

Autor*in

Martin March

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Aero Engine Thermoacoustic Flame Dynamics

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