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Dokumenttyp:
Konferenzbeitrag 
Art des Konferenzbeitrags:
Textbeitrag / Aufsatz 
Autor(en):
Silva, C. F.; Merk, M.; Komarek, T., Polifke, W. 
Titel:
The Contribution of Intrinsic Thermoacoustic Feedback to Combustion Noise and Resonances of a Confined Turbulent Premixed Flame 
Abstract:
The influence of Intrinsic ThermoAcoustic (ITA) feedback on the noise spectrum produced by a confined, turbulent, premixed, swirl flame is investigated. Sound generation due to unsteady heat release is understood to result from inherent turbulent fluctuations on the one hand, and from the flame response to incoming acoustic perturbations on the other. The former are described by a source term for unsteady heat release, the latter by the flame transfer function. Both quantities are identified fro...    »
 
Stichworte:
Intrinsic ThermoAcoustic Feedback, Combustion Noise, Combustion Resonance, LES, System Identification, Low- Order Model 
Dewey-Dezimalklassifikation:
620 Ingenieurwissenschaften 
Kongress- / Buchtitel:
Thermoacoustic instabilities in Gas Turbines and Rocket engines 
Konferenzort:
Garching, Germany 
Datum der Konferenz:
30.05 - 03.06.2016 
Jahr:
2016 
Quartal:
2. Quartal 
Jahr / Monat:
2016-06 
Monat:
Jun 
Sprache:
en 
TUM Einrichtung:
Professur für Thermofluiddynamik