Suscripción a Biblioteca: Guest
Fourth International Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2005, Marriot Hotel, Williamsburg, Virginia, USA

DOI: 10.1615/TSFP4

INTERACTION OF A FINITE-SIZED PARTICLE WITH WALL TURBULENCE

pages 201-205
DOI: 10.1615/TSFP4.340
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SINOPSIS

Reliable information on forces on a finite-sized particle in a turbulent boundary layer is lacking. For lack of such knowledge we continue to use standard drag and lift correlations developed for a uniform flow to predict the drag and lift forces. Here we consider direct numerical simulations of a turbulent channel flow over a finite-sized particle. All relevant length and time scales of turbulence, attached boundary layers on the particles, and particle wakes will be faithfully resolved, and thus we consider fully resolved genuine direct numerical simulations. The results from the direct numerical simulation are compared with the corresponding predictions based on standard drag relation.

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