Abo Bibliothek: Guest
First Symposium on Turbulence and Shear Flow Phenomena
September, 12-15, 1999, Doubletree Resort, Santa Barbara, California, USA

DOI: 10.1615/TSFP1

PREDICTION OF TIME-MEAN CHARACTERISTICS AND PERIODICAL FLUCTUATION OF VELOCITY AND THERMAL FIELDS OF A BACKWARD-FACING STEP

pages 1167-1172
DOI: 10.1615/TSFP1.1860
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ABSTRAKT

The present study presents the results of a three-component decomposition approach for the two- and three-dimensional computations of a turbulent flow over a backward-facing step. By this approach, effect of periodical fluctuation on the studied flow and temperature field incurred by the discrete counter-rotating vortices appearing in the free shear layer is discussed. Consequently, significance of the influence of this periodical fluctuation to the instantaneous fluid and heat transfer characteristics and eventually to the time mean momentum and heat transfer is demonstrated.

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