Influences of liquid fuel atomization and flow rate fluctuations on spray combustion instabilities in a backward-facing step combustor

Combustion instabilities occurring in spray combustion fields inside a backward facing step combustor have been investigated by performing large-eddy simulations (LES). In this study, the influence of fluctuations in the incoming oxidizer air velocity (caused by drastic pressure oscillations in the...

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Veröffentlicht in:	Combustion and flame 2020-10, Vol.220, p.337-356
Hauptverfasser:	Pillai, Abhishek L., Nagao, Jun, Awane, Ryo, Kurose, Ryoichi
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomizing Backward facing steps Combustion chambers Droplets Evaporation rate Flow stability Flow velocity Fuel flow Fuel injection Fuel sprays Heat release rate Influence Large eddy simulation LES Liquid fuels Oxidizing agents Phase shift Pressure effects Pressure oscillations Reduction Spray combustion instability Turbulent spray combustion
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