Large-eddy simulation of a jet-in-hot-coflow burner operating in the oxygen-diluted combustion regime

Matthias Ihme, Jian Zhang, Guowei He, Bassam Dally

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

Large-eddy simulations of moderate and intense low-oxygen dilution (MILD) combustion of a jet-in-hot-coflow (JHC) burner are performed. This burner configuration consists of three streams, providing fuel, oxygen-diluted coflow, and air to the burner. To account for the mixing between the three reactant streams, a three-stream flamelet/progress variable (FPV) formulation is utilized. This model was previously applied to a condition corresponding to the upper range of MILD-combustion, and the objective of this contribution is to further investigate this model in application to highly diluted operating conditions. Comparisons of mean and conditional results show that the model accurately captures effects of increasing oxygendepletion on the flame-structure and heat-release, and predictions for temperature and species mass fractions are in overall good agreement with experiments. © Springer Science+Business Media B.V. 2012.
Original languageEnglish (US)
Pages (from-to)449-464
Number of pages16
JournalFlow, Turbulence and Combustion
Volume89
Issue number3
DOIs
StatePublished - Sep 1 2012
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy
  • General Chemical Engineering
  • Physical and Theoretical Chemistry

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