Mitigation of thermoacoustic instability utilizing steady air injection near the flame anchoring zone

The objective of this work is to investigate the effectiveness of steady air injection near the flame anchoring zone in suppressing thermoacoustic instabilities driven by flame–vortex interaction mechanism. We perform a systematic experimental study which involves using two different configurations...

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Veröffentlicht in:	Combustion and flame 2010-04, Vol.157 (4), p.686-700
Hauptverfasser:	Murat Altay, H., Hudgins, Duane E., Speth, Raymond L., Annaswamy, Anuradha M., Ghoniem, Ahmed F.
Format:	Artikel
Sprache:	eng
Schlagworte:	AIR AIR FLOW Air injection Anchoring Applied sciences ATMOSPHERIC PRESSURE COMBUSTION COMBUSTION KINETICS COMPARATIVE EVALUATIONS CONFIGURATION CONTROL Control of thermoacoustic instability Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Equivalence ratio Exact sciences and technology Flame anchoring Flame-vortex interaction FLAMES FLASHBACK Furnaces. Firing chambers. Burners Gaseous fuel burners and combustion chambers HEAT HYDROGEN INHIBITION INJECTION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY INSTABILITY Instability suppression MITIGATION MIXTURES Passive control PROPANE Stability TEMPERATURE DEPENDENCE Thermoacoustics VELOCITY VORTICES
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