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Turbulence Heat and Mass Transfer 5. Proceedings of the International Symposium on Turbulence Heat and Mass Transfer
September, 25-29, 2006, Dubrovnik, Croatia

DOI: 10.1615/ICHMT.2006.TurbulHeatMassTransf


ISBN Print: 978-1-56700-229-4

ISSN: 2377-2816

Statistical Moments and One-Point PDF of Mixture Fraction at Mixing in a Coaxial Jet Mixer

pages 569-572
DOI: 10.1615/ICHMT.2006.TurbulHeatMassTransf.1200
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Краткое описание

Based on the experimental results of mixture fraction (scalar) and its rms fluctuations in confined coaxial flows in the regime with a recirculation zone, scalar statistical moments (up to 4 orders) and one-point scalar probability density functions (PDFs) at different distances from a mixer nozzle are analyzed. It is shown that high moments are indicative for detailed information about a scalar homogeneous field to be formed. Comparison of the experimental and analytical PDFs reveals an essential disagreement for the large-intermittence flow region.

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