Letter | Published:

Polymer drag reduction in Taylor vortices

Nature volume 257, pages 304305 (25 September 1975) | Download Citation

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Abstract

THE Toms effect1, whereby the addition of small quantities of polymer can typically produce 50% reduction in drag, occurs in turbulent flow systems. We report preliminary observations of a similar drag reduction behaviour observed in a Couette apparatus when toroidal Taylor vortices2 are generated by rotating the inner of two concentric cylinders at sufficient speed; in this case the flow field is well understood and does not vary with time.

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Author information

Author notes

    • G. KISS

    Present address: Polymer Science and Engineering Laboratory, University of Massachusetts, Amherst, Massachusetts 01002.

Affiliations

  1. H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK

    • A. KELLER
    • , G. KISS
    •  & M. R. MACKLEY

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DOI

https://doi.org/10.1038/257304a0

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