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Third Symposium on Turbulence and Shear Flow Phenomena
June, 25-27, 2003, International Center, Sendai, Japan

DOI: 10.1615/TSFP3

ADVANCED EDDY VISCOSITY TURBULENCE MODELLING - APPLICATION TO INERT AND REACTING BLUFF BODY FLOWS

pages 1233-1238
DOI: 10.1615/TSFP3.2060
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要約

The non-linear k − ε model by Merci et al. (2002a, 2002b, 2003a) is applied to inert and reacting bluff body flows (Dally, 1998). Based on observed shortcomings in the results, the turbulence model is adjusted without deteriorating previous results. The obtained improvements for the bluff body flows are, however, rather limited. Probably, the flows, which are strongly unsteady in reality, are too complex for any two-equation turbulence model to yield satisfactory results throughout the domain. An unsteady calculation seems necessary (TNF, 2003a).

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