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

DOI: 10.1615/TSFP2

LARGE EDDY SIMULATIONS OF NON-EQUILIBRIUM PULSED TURBULENT FLOWS USING TRANSPORT EQUATIONS SUBGRID SCALE MODEL

pages 341-346
DOI: 10.1615/TSFP2.1310
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ABSTRAKT

A new two-equations subgrid-scale model is proposed for large eddy simulations using coarse grids. The characteristic subgrid-scale of turbulence is no longer given by the step size but is obtained by a dissipation equation. Thus, the model is better suited for non-equilibrium turbulence. The application to turbulence submitted to periodic forcing in pulsed channel flow shows some potentials of the method.

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