Suppression of instabilities of swirled premixed flames with minimal secondary hydrogen injection

The impact of hydrogen addition on the dynamics of a methane-air premixed flame is explored for different injection strategies. The configuration is a swirled injector with a central tube for pilot fuel injection. Keeping the air flow rate and thermal power of the burner constant, it is shown that e...

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Veröffentlicht in:	Combustion and flame 2020-04, Vol.214, p.266-276
Hauptverfasser:	Oztarlik, Gorkem, Selle, Laurent, Poinsot, Thierry, Schuller, Thierry
Format:	Artikel
Sprache:	eng
Schlagworte:	Air flow Combustion chambers Combustion instabilities Engineering Sciences Flame transfer function Flow velocity Fluids mechanics Fuel injection Hydrogen Hydrogen injection Instability mitigation Mechanics Methane Nitrogen oxides Passive control Phase lag Premixed flames Premixing Swirled turbulent flames Thermoelectricity Transfer functions
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