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Interpretation of Polymer Drag Reduction in Terms of Turbulence Producing Eddies Close to the Wall

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Structure of Turbulence and Drag Reduction

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Abstract

Results on the eddy structure and the scaling of the viscous wall layer, which are relevant to understanding the production of turbulence and drag-reduction, are presented. It is suggested that drag-reduction can be associated with an increase in the dimensionless dissipation of turbulence energy.

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References

  1. Fortuna, G. and T. J. Hanratty, “The Influence of Drag-Reducing Polymers on Turbulence in the Viscous Sublayer”, J. Fluid Mech,, 53, 575–586 (1972).

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  2. Eckelman, L. D., G. Fortuna and T. J. Hanratty, “Drag Reduction and the Wavelength of Flow-Oriented Wall Eddies”, Nature Physical Science, 236, 94- 96 (1972).

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  4. Finnicum, D. S. and T. J. Hanratty, “Effect of Favorable Pressure Gradients on Turbulent Boundary Layers”, A.I.Ch.E. Journal, 34, 529–540 (1988).

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  5. Lyons, S. L., C. Nikolaides and T. J. Hanratty, “The Size of Turbulent Eddies Close to a Wall”, A.I.Ch.E. Journal, 34, 938–945 (1988).

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  6. Lyons, S. L., “A Direct Numerical Simulation of Fully Developed Turbulent Channel Flow with Passive Heat Transfer”, Ph.D. tliesis. University of Illinois, Urbana (1989).

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Author information

Authors and Affiliations

  1. Univ. of Illinois, 61801, Urbana, IL, USA

    Thomas J. Hanratty & S. L. Lyons

  2. Clarkson Univ., 13676, Potsdam, NY, USA

    John McLaughlin

Authors
  1. Thomas J. Hanratty
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  2. S. L. Lyons
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  3. John McLaughlin
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Editor information

Editors and Affiliations

  1. Institut für Hydromechanik und Wasserwirtschaft, ETH Zürich, 8093, Zürich-Hönggerberg, Schweiz

    Albert Gyr

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© 1990 Springer-Verlag Berlin Heidelberg

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Hanratty, T.J., Lyons, S.L., McLaughlin, J. (1990). Interpretation of Polymer Drag Reduction in Terms of Turbulence Producing Eddies Close to the Wall. In: Gyr, A. (eds) Structure of Turbulence and Drag Reduction. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-50971-1_34

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  • DOI: https://doi.org/10.1007/978-3-642-50971-1_34

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-50973-5

  • Online ISBN: 978-3-642-50971-1

  • eBook Packages: Springer Book Archive

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