Simulation of MILD combustion using Perfectly Stirred Reactor model

Z. Chen, Mahendra Reddy Vanteru, S. Ruan, N. A K Doan, William L. Roberts, N. Swaminathan

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A simple model based on a Perfectly Stirred Reactor (PSR) is proposed for moderate or intense low-oxygen dilution (MILD) combustion. The PSR calculation is performed covering the entire flammability range and the tabulated chemistry approach is used with a presumed joint probability density function (PDF). The jet, in hot and diluted coflow experimental set-up under MILD conditions, is simulated using this reactor model for two oxygen dilution levels. The computed results for mean temperature, major and minor species mass fractions are compared with the experimental data and simulation results obtained recently using a multi-environment transported PDF approach. Overall, a good agreement is observed at three different axial locations for these comparisons despite the over-predicted peak value of CO formation. This suggests that MILD combustion can be effectively modelled by the proposed PSR model with lower computational cost.
Original languageEnglish (US)
Pages (from-to)4279-4286
Number of pages8
JournalProceedings of the Combustion Institute
Issue number3
StatePublished - Jul 6 2016

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KAUST Repository Item: Exported on 2020-10-01


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