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An Investigation of Reynolds Stress Structures in Plane Turbulent Wakes

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Turbulent Shear Flows 4

Abstract

Instantaneous u-υ signals in the turbulent far wake of a cylinder have been analysed using an extended “quadrant analysis” in order to investigate the Reynolds stress structure and the features of large eddies. The results indicate that the region between the location of maximum shear and the edge of the wake is similar to the outer layer of boundary layers and bursts of slow moving flow ejecting outward contribute the most to the Reynolds shear stress. In the wake centerline region, fast moving fluid crossing the centerline contributes significantly but with opposite sign. There is a special type of flow near the centerline: flow moving upstream along the centerline slower than the mean velocity. This type of motion does not contribute to the shear stress but contains kinetic energy.

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Author information

Authors and Affiliations

  1. University of California, Los Angeles, USA

    G. Fabris

  2. Transamerica Delaval, Inc., Santa Monica, California, USA

    G. Fabris

  3. California State University, Long Beach, California, USA

    A. Nakayama

Authors
  1. G. Fabris
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  2. A. Nakayama
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Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, University of Surrey, GU2 5XH, Guildford, Surrey, England

    Leslie J. S. Bradbury

  2. Technische Fakultät, Friedrich-Alexander-Universität, Egerlandstraße 13, D-8520, Erlangen, Fed. Rep. of Germany

    Franz Durst (Lehrstuhl für Strömungsmechanik) (Lehrstuhl für Strömungsmechanik)

  3. Department of Mechanical Engineering, University of Manchester, Institute of Science and Technology, PO Box 88, M60 1QD, Manchester, England

    Brian E. Launder

  4. Mechanical Engineering Department, The Pennsylvania State University, 16802, University Park, PA, USA

    Frank W. Schmidt

  5. Department of Mechanical Engineering, Imperial College of Science and Technology, Exhibition Road, SW7 2BX, London, England

    James H. Whitelaw

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© 1985 Springer-Verlag Berlin Heidelberg

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Fabris, G., Nakayama, A. (1985). An Investigation of Reynolds Stress Structures in Plane Turbulent Wakes. In: Bradbury, L.J.S., Durst, F., Launder, B.E., Schmidt, F.W., Whitelaw, J.H. (eds) Turbulent Shear Flows 4. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-69996-2_15

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  • DOI: https://doi.org/10.1007/978-3-642-69996-2_15

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-69998-6

  • Online ISBN: 978-3-642-69996-2

  • eBook Packages: Springer Book Archive

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