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Creating corners in kitchen sinks

Author

Listed:
  • Clive Ellegaard

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Adam Espe Hansen

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Anders Haaning

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Kim Hansen

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Anders Marcussen

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Tomas Bohr

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Jonas Lundbek Hansen

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

  • Shinya Watanabe

    (Center for Chaos and Turbulence Studies, The Niels Bohr Institute)

Abstract

When a vertical jet of liquid from a nozzle hits a flat surface, as in tap water striking the kitchen sink, a discontinuity appears in a ring created by the flow. At this deformation the depth of the water alters abruptly (the ‘circular hydraulic jump’1,2,3,4,5) at some distance from the jet. We have now discovered that if the jet contains a liquid more viscous than water, stationary polygonal patterns form, breaking axial symmetry. The sharp corners of the polygons carry a large radial flux, while the sides generate resistance to the stream.

Suggested Citation

  • Clive Ellegaard & Adam Espe Hansen & Anders Haaning & Kim Hansen & Anders Marcussen & Tomas Bohr & Jonas Lundbek Hansen & Shinya Watanabe, 1998. "Creating corners in kitchen sinks," Nature, Nature, vol. 392(6678), pages 767-768, April.
    • Handle: RePEc:nat:nature:v:392:y:1998:i:6678:d:10.1038_33820
    DOI: 10.1038/33820
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    Cited by:

    1. Ferreira, V.G. & Kurokawa, F.A. & Oishi, C.M. & Kaibara, M.K. & Castelo, A. & Cuminato, J.A., 2009. "Evaluation of a bounded high order upwind scheme for 3D incompressible free surface flow computations," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 79(6), pages 1895-1914.

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