Modelling of burner stabilized oxy-fuel flames by using non-premixed and partially-premixed turbulent combustion models

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Abstract

The turbulent flow and combustion process of oxy-fuel flames are studied in the wake behind a burner rim separating fuel and oxidiser inlet channels. A range of conditions was considered, from stably attached flames, via lifted flames to blow-off. It was found that thechemical equilibrium model did not predict the chemical composition well. The laminar flamelet model performed better. It appeared that extinction is not the mechanism that leads to a lifted flame and therefore partial premixing was considered. It appeared that lifted oxy-fuel flames can be predicted fairly well by adjusting a turbulent burning velocity constant.
LanguageEnglish
Pages487-497
JournalProgress in computational fluid dynamics
Volume6
Issue number8
DOIs
StatePublished - 2006

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turbulent combustion
burners
Fuel burners
flames
Turbulent flow
premixing
rims
wakes
turbulent flow
Chemical analysis
chemical composition
extinction
adjusting

Cite this

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title = "Modelling of burner stabilized oxy-fuel flames by using non-premixed and partially-premixed turbulent combustion models",
abstract = "The turbulent flow and combustion process of oxy-fuel flames are studied in the wake behind a burner rim separating fuel and oxidiser inlet channels. A range of conditions was considered, from stably attached flames, via lifted flames to blow-off. It was found that thechemical equilibrium model did not predict the chemical composition well. The laminar flamelet model performed better. It appeared that extinction is not the mechanism that leads to a lifted flame and therefore partial premixing was considered. It appeared that lifted oxy-fuel flames can be predicted fairly well by adjusting a turbulent burning velocity constant.",
author = "{Rossum, van}, M.C. and R.J.M. Bastiaans and D.J.E.M. Roekaerts and {Goey, de}, L.P.H.",
year = "2006",
doi = "10.1504/PCFD.2006.011321",
language = "English",
volume = "6",
pages = "487--497",
journal = "Progress in computational fluid dynamics",
issn = "1468-4349",
publisher = "Inderscience Enterprises Ltd.",
number = "8",

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T1 - Modelling of burner stabilized oxy-fuel flames by using non-premixed and partially-premixed turbulent combustion models

AU - Rossum, van,M.C.

AU - Bastiaans,R.J.M.

AU - Roekaerts,D.J.E.M.

AU - Goey, de,L.P.H.

PY - 2006

Y1 - 2006

N2 - The turbulent flow and combustion process of oxy-fuel flames are studied in the wake behind a burner rim separating fuel and oxidiser inlet channels. A range of conditions was considered, from stably attached flames, via lifted flames to blow-off. It was found that thechemical equilibrium model did not predict the chemical composition well. The laminar flamelet model performed better. It appeared that extinction is not the mechanism that leads to a lifted flame and therefore partial premixing was considered. It appeared that lifted oxy-fuel flames can be predicted fairly well by adjusting a turbulent burning velocity constant.

AB - The turbulent flow and combustion process of oxy-fuel flames are studied in the wake behind a burner rim separating fuel and oxidiser inlet channels. A range of conditions was considered, from stably attached flames, via lifted flames to blow-off. It was found that thechemical equilibrium model did not predict the chemical composition well. The laminar flamelet model performed better. It appeared that extinction is not the mechanism that leads to a lifted flame and therefore partial premixing was considered. It appeared that lifted oxy-fuel flames can be predicted fairly well by adjusting a turbulent burning velocity constant.

U2 - 10.1504/PCFD.2006.011321

DO - 10.1504/PCFD.2006.011321

M3 - Article

VL - 6

SP - 487

EP - 497

JO - Progress in computational fluid dynamics

T2 - Progress in computational fluid dynamics

JF - Progress in computational fluid dynamics

SN - 1468-4349

IS - 8

ER -