Summary
Some properties of the coherent structures in the turbulent wake behind a circular cylinder (Re = 52300) are analyzed in two downstream sections (X/D = 2 ; X/D = k) using a phase averaging technique for the velocity fluctuations and the intermittency signal. A comparison with the Von Karman flow (Re = 100) given by a direct numerical solution of Navier Stokes equations provides some practical information about the relevance of the double decomposition taking into consideration the two dimensional deterministic structures and the “fine scale” three dimensional phase random motions.
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Boisson, H.C., Chassaing, P., Minh, H.H., Sevrain, A. (1981). Some Characteristics of the Unsteady Wake Flow Past a Circular Cylinder. In: Michel, R., Cousteix, J., Houdeville, R. (eds) Unsteady Turbulent Shear Flows. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81732-8_21
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DOI: https://doi.org/10.1007/978-3-642-81732-8_21
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