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A Qualitative Understanding of Drag Reduction by Polymers

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The Influence of Polymer Additives on Velocity and Temperature Fields

Summary

The interaction of turbulent flow containing regions of high strain rate and high shear rate with polymer molecules can involve both individual molecules and polymer structures. The results of this interaction lead to suppressions of the small scale motions and to production of some large scale motions that do not contribute to turbulent diffusion. Experimental results are interpreted in terms of the interaction of molecules near the wall and movement of the polymeric large scale structures in the center of pipe flows.

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Author information

Authors and Affiliations

  1. Department of Chemical and Bio Engineering, Arizona State University, Tempe, Arizona, USA

    Neil S. Berman

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  1. Neil S. Berman
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Editor information

Editors and Affiliations

  1. Strömungsmechanik. Universität — GH — Essen, Schützenbahn 70, D-4300, Essen 1, Germany

    Bernhard Gampert

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© 1985 Springer, Berlin Heidelberg

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Berman, N.S. (1985). A Qualitative Understanding of Drag Reduction by Polymers. In: Gampert, B. (eds) The Influence of Polymer Additives on Velocity and Temperature Fields. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82632-0_24

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  • DOI: https://doi.org/10.1007/978-3-642-82632-0_24

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82634-4

  • Online ISBN: 978-3-642-82632-0

  • eBook Packages: Springer Book Archive

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