• DOI:10.1016/J.PROCI.2014.07.002
Corpus ID: 98093519

Thermo-acoustic instabilities in lean premixed swirl-stabilized combustion and their link to acoustically coupled and decoupled flame macrostructures

@inproceedings{Taamallah2015ThermoacousticII,
  title={Thermo-acoustic instabilities in lean premixed swirl-stabilized combustion and their link to acoustically coupled and decoupled flame macrostructures},
  author={Soufien Taamallah and Z. LaBry and Santosh J. Shanbhogue and A. Ghoniem},
  year={2015}
}

• Soufien Taamallah, Z. LaBry, +1 author A. Ghoniem
• Published 2015
• Chemistry

Abstract We investigate the onset of thermo-acoustic instabilities and their link to the mean flame configurations – or macrostructures – under acoustically coupled and decoupled conditions. Methane–hydrogen mixtures are used to explore the role of the fuel in changing the flame macrostructure, as determined by chemiluminescence, as the equivalence ratio ( ϕ ) varies. We observe four different configurations: a columnar flame (I); a bubble-columnar flame (II); a single conical flame (III); and… Expand

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