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Second Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2001, KTH, Stockholm, Sweden

DOI: 10.1615/TSFP2

TWO-PHASE MODELS ASSESSMENT VIA DNS

pages 419-424
DOI: 10.1615/TSFP2.1440
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In this paper, to assess the existing statistical models, we use our direct numerical simulation (DNS) data for the two-phase situations of homogeneous shear and plane strain incompressible turbulent flows laden with spherical particles. Two statistical models derived in the framework of kinetic or probability density function (pdf) approach by Reeks (1991, 1992, 1993) and Zaichik (1999) are considered for the purpose of assessment. The closed set of equations for statistical average quantities of interest for particles are presented for these models in case of homogeneous plane strain flow. Their predictions along with the models predictions in case of homogeneous shear flows are compared with the DNS data.

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