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Velocity Profiles of a Complex Soap System in Turbulent Pipe Flow

Nature Physical Science volume 235, pages 154–155 (1972)Cite this article

Abstract

THIS communication describes some preliminary measurements of velocity profiles for an equimolar aqueous solution of cetyltrimethylammonium bromide and 1-naphthol in pipe flow. The pipe friction characteristics of such solutions have been reported already1,2, and the results described here show an enormous reduction in frictional drag when compared with a Newtonian fluid, provided that the wall shear stress does not exceed a certain value which depends on the concentration.

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References

  1. White, A., Nature, 214, 585 (1967).

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  2. White, A., Viscous Drag Reduction, 297 (Plenum, New York, 1969).

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  3. Virk, et al., Trans. Amer. Soc. Mech. Eng., J. Appl. Mech., 37, 488 (1970).

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  4. Gadd, G. E., Nature Physical Science, 230, 29 (1971).

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Authors and Affiliations

  1. Department of Mechanical Engineering, Hendon College of Technology, The Burroughs, Hendon, London, NW4 4BT

    A. WHITE

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  1. A. WHITE
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WHITE, A. Velocity Profiles of a Complex Soap System in Turbulent Pipe Flow. Nature Physical Science 235, 154–155 (1972). https://doi.org/10.1038/physci235154a0

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