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

doi:10.1007/s10494-012-9399-7

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 journal › Article › peer-review

101 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 language	English (US)
Pages (from-to)	449-464
Number of pages	16
Journal	Flow, Turbulence and Combustion
Volume	89
Issue number	3
DOIs	https://doi.org/10.1007/s10494-012-9399-7
State	Published - Sep 1 2012
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
General Chemical Engineering
Physical and Theoretical Chemistry

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

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. {\textcopyright} Springer Science+Business Media B.V. 2012.",

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AU - Ihme, Matthias

AU - Zhang, Jian

AU - He, Guowei

AU - Dally, Bassam

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N2 - 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.

AB - 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.

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

Abstract

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