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Direct numerical simulation of the interaction between unsheared turbulence and a free-slip surface

Campagne, Gaëlle and Cazalbou, Jean-Bernard and Joly, Laurent and Chassaing, Patrick Direct numerical simulation of the interaction between unsheared turbulence and a free-slip surface. (2006) In: ECCOMAS CFD 2006, 05-08 Sep 2006, Egmond aan Zee, The Netherlands .

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Official URL: http://www.eccomascfd2006.nl/

Abstract

In this paper, direct numerical simulation is used to study the interaction between turbulence and a free surface. The configuration is original due to the fact that a random force generates turbulence in the vicinity of a plane parallel to the free surface. Turbulence is therefore statistically steady and nearly isotropic at some distance of the surface. A detailed description of the °ow is provided, including second-order statistics and full Reynolds-stress budgets. It is shown that the results obtained in this configuration can help the understanding of intercomponent energy-transfer mechanisms.

Item Type:Conference or Workshop Item (Paper)
Additional Information:16 pages
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Laboratory name:
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Deposited By: J.-B. Cazalbou
Deposited On:17 Apr 2008 14:56

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