Conditional moment closure for turbulent reacting flow

DOI PDF 3 Citations
  • R. W. Bilger
    Department of Mechanical Engineering, The University of Sydney, New South Wales 2006, Australia

Bibliographic Information

Published
1993-02-01
DOI
  • 10.1063/1.858867
Publisher
AIP Publishing

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<jats:p>Equations governing the variation through the flow field of averages of quantities such as species mass fractions, conditional on mixture fraction, are derived and modeled. The conditioning variable adds to the independent dimensions of the problem, but it is found that this is offset in some cases by reduction in the spatial dimensionality needed. Predictions are made for the reacting scalar mixing layer, and these show good agreement with experiment. The methodology effectively decouples the kinetics from the large inhomogeneity or macromixing aspects of the flow while preserving the input from the scalar dissipation or micromixing. Arbitrarily complex kinetics may be used within reasonable computational cost.</jats:p>

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